22031122332 has 48 divisors (see below), whose sum is σ = 53746721280. Its totient is φ = 7010570688.

The previous prime is 22031122319. The next prime is 22031122427. The reversal of 22031122332 is 23322113022.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22031122299 and 22031122308.

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, 62073 + ... + 218895.

It is an arithmetic number, because the mean of its divisors is an integer number (1119723360).

Almost surely, 2^22031122332 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22031122332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26873360640).

22031122332 is an abundant number, since it is smaller than the sum of its proper divisors (31715598948).

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

22031122332 is a wasteful number, since it uses less digits than its factorization.

22031122332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157362 (or 157360 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 22031122332 its reverse (23322113022), we get a palindrome (45353235354).

The spelling of 22031122332 in words is "twenty-two billion, thirty-one million, one hundred twenty-two thousand, three hundred thirty-two".