Search a number
-
+
2231404422 = 2313191977643
BaseRepresentation
bin1000010100000000…
…1000011110000110
312202111210002102020
42011000020132012
514032214420142
61005230424010
7106203424152
oct20500103606
95674702366
102231404422
11a4562a195
12523362006
132973a8960
141724d4062
15d0d71cec
hex85008786

2231404422 has 64 divisors (see below), whose sum is σ = 5085400320. Its totient is φ = 647063424.

The previous prime is 2231404379. The next prime is 2231404471. The reversal of 2231404422 is 2244041322.

It is a super-3 number, since 3×22314044223 (a number of 29 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2231404392 and 2231404401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 288133 + ... + 295775.

It is an arithmetic number, because the mean of its divisors is an integer number (79459380).

Almost surely, 22231404422 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2231404422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2542700160).

2231404422 is an abundant number, since it is smaller than the sum of its proper divisors (2853995898).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2231404422 is a wasteful number, since it uses less digits than its factorization.

2231404422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7877.

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 2231404422 is about 47237.7436167309. The cubic root of 2231404422 is about 1306.7507653453.

Adding to 2231404422 its reverse (2244041322), we get a palindrome (4475445744).

The spelling of 2231404422 in words is "two billion, two hundred thirty-one million, four hundred four thousand, four hundred twenty-two".

Divisors: 1 2 3 6 13 19 26 38 39 57 78 114 197 247 394 494 591 741 1182 1482 2561 3743 5122 7486 7643 7683 11229 15286 15366 22458 22929 45858 48659 97318 99359 145217 145977 198718 290434 291954 298077 435651 596154 871302 1505671 1887821 3011342 3775642 4517013 5663463 9034026 11326926 19573723 28607749 39147446 57215498 58721169 85823247 117442338 171646494 371900737 743801474 1115702211 2231404422