22121232332 has 12 divisors (see below), whose sum is σ = 39656355816. Its totient is φ = 10790844960.

The previous prime is 22121232317. The next prime is 22121232347. The reversal of 22121232332 is 23323212122.

It is an interprime number because it is at equal distance from previous prime (22121232317) and next prime (22121232347).

It is a junction number, because it is equal to n+sod(n) for n = 22121232298 and 22121232307.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67442618 + ... + 67442945.

It is an arithmetic number, because the mean of its divisors is an integer number (3304696318).

Almost surely, 2^22121232332 is an apocalyptic number.

It is an amenable number.

22121232332 is a deficient number, since it is larger than the sum of its proper divisors (17535123484).

22121232332 is a wasteful number, since it uses less digits than its factorization.

22121232332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134885608 (or 134885606 counting only the distinct ones).

The product of its digits is 1728, while the sum is 23.

Adding to 22121232332 its reverse (23323212122), we get a palindrome (45444444454).

The spelling of 22121232332 in words is "twenty-two billion, one hundred twenty-one million, two hundred thirty-two thousand, three hundred thirty-two".