Search a number
-
+
22331212330 = 257367869257
BaseRepresentation
bin10100110011000010…
…110100001000101010
32010122022010010101011
4110303002310020222
5331213242243310
614131523214134
71420250113210
oct246302641052
963568103334
1022331212330
11951a429389
1243b281734a
13214b65a80b
14111bb5acb0
158aa75578a
hex5330b422a

22331212330 has 32 divisors (see below), whose sum is σ = 46063719936. Its totient is φ = 7635544704.

The previous prime is 22331212327. The next prime is 22331212331. The reversal of 22331212330 is 3321213322.

It is not an unprimeable number, because it can be changed into a prime (22331212331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 408939 + ... + 460318.

It is an arithmetic number, because the mean of its divisors is an integer number (1439491248).

Almost surely, 222331212330 is an apocalyptic number.

22331212330 is an abundant number, since it is smaller than the sum of its proper divisors (23732507606).

22331212330 is a wasteful number, since it uses less digits than its factorization.

22331212330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 869638.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 22331212330 its reverse (3321213322), we get a palindrome (25652425652).

The spelling of 22331212330 in words is "twenty-two billion, three hundred thirty-one million, two hundred twelve thousand, three hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 367 734 1835 2569 3670 5138 12845 25690 869257 1738514 4346285 6084799 8692570 12169598 30423995 60847990 319017319 638034638 1595086595 2233121233 3190173190 4466242466 11165606165 22331212330