Search a number
-
+
22404442224 = 243909151343
BaseRepresentation
bin10100110111011010…
…001010100001110000
32010211101220120220110
4110313122022201300
5331341014122344
614143100541320
71422126421353
oct246732124160
963741816813
1022404442224
1195577a605a
124413251840
13216088a508
14112778029a
158b1dbd3b9
hex53768a870

22404442224 has 40 divisors (see below), whose sum is σ = 57885636352. Its totient is φ = 7467180480.

The previous prime is 22404442223. The next prime is 22404442283. The reversal of 22404442224 is 42224440422.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22404442191 and 22404442200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22404442223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 410697 + ... + 462039.

Almost surely, 222404442224 is an apocalyptic number.

22404442224 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22404442224 is an abundant number, since it is smaller than the sum of its proper divisors (35481194128).

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

22404442224 is a wasteful number, since it uses less digits than its factorization.

22404442224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60445 (or 60439 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 30.

Adding to 22404442224 its reverse (42224440422), we get a palindrome (64628882646).

The spelling of 22404442224 in words is "twenty-two billion, four hundred four million, four hundred forty-two thousand, two hundred twenty-four".

Divisors: 1 2 3 4 6 8 12 16 24 48 9091 18182 27273 36364 51343 54546 72728 102686 109092 145456 154029 205372 218184 308058 410744 436368 616116 821488 1232232 2464464 466759213 933518426 1400277639 1867036852 2800555278 3734073704 5601110556 7468147408 11202221112 22404442224