22032123204 has 96 divisors (see below), whose sum is σ = 63432361216. Its totient is φ = 5795919360.

The previous prime is 22032123163. The next prime is 22032123209. The reversal of 22032123204 is 40232123022.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (22032123209) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 408114 + ... + 458934.

Almost surely, 2^22032123204 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 22032123204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31716180608).

22032123204 is an abundant number, since it is smaller than the sum of its proper divisors (41400238012).

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

22032123204 is a wasteful number, since it uses less digits than its factorization.

22032123204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51245 (or 51243 counting only the distinct ones).

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

Adding to 22032123204 its reverse (40232123022), we get a palindrome (62264246226).

The spelling of 22032123204 in words is "twenty-two billion, thirty-two million, one hundred twenty-three thousand, two hundred four".