Search a number
-
+
22223212230 = 2351186762423
BaseRepresentation
bin10100101100100110…
…110100111011000110
32010100202220011002110
4110230212310323012
5331003120242410
614113104321450
71414466121132
oct245446647306
963322804073
1022223212230
1194744732aa
124382613286
13213217582b
14110b6863c2
158a1020720
hex52c9b4ec6

22223212230 has 32 divisors (see below), whose sum is σ = 53341058304. Its totient is φ = 5925595616.

The previous prime is 22223212211. The next prime is 22223212261. The reversal of 22223212230 is 3221232222.

It is a junction number, because it is equal to n+sod(n) for n = 22223212197 and 22223212206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 324799 + ... + 387221.

It is an arithmetic number, because the mean of its divisors is an integer number (1666908072).

Almost surely, 222223212230 is an apocalyptic number.

22223212230 is an abundant number, since it is smaller than the sum of its proper divisors (31117846074).

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

22223212230 is a wasteful number, since it uses less digits than its factorization.

22223212230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74300.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 22223212230 its reverse (3221232222), we get a palindrome (25444444452).

The spelling of 22223212230 in words is "twenty-two billion, two hundred twenty-three million, two hundred twelve thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 11867 23734 35601 59335 62423 71202 118670 124846 178005 187269 312115 356010 374538 624230 936345 1872690 740773741 1481547482 2222321223 3703868705 4444642446 7407737410 11111606115 22223212230