22351031332 has 24 divisors (see below), whose sum is σ = 44718235520. Its totient is φ = 9575547840.

The previous prime is 22351031327. The next prime is 22351031383. The reversal of 22351031332 is 23313015322.

It is a junction number, because it is equal to n+sod(n) for n = 22351031297 and 22351031306.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64857 + ... + 221152.

Almost surely, 2^22351031332 is an apocalyptic number.

It is an amenable number.

22351031332 is an abundant number, since it is smaller than the sum of its proper divisors (22367204188).

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

22351031332 is a wasteful number, since it uses less digits than its factorization.

22351031332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288811 (or 288809 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 25.

Adding to 22351031332 its reverse (23313015322), we get a palindrome (45664046654).

The spelling of 22351031332 in words is "twenty-two billion, three hundred fifty-one million, thirty-one thousand, three hundred thirty-two".