22032000234 has 24 divisors (see below), whose sum is σ = 49382070660. Its totient is φ = 7090758528.

The previous prime is 22032000233. The next prime is 22032000251. The reversal of 22032000234 is 43200023022.

It can be written as a sum of positive squares in 2 ways, for example, as 21127494609 + 904505625 = 145353^2 + 30075^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (22032000233) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21102927 + ... + 21103970.

Almost surely, 2^22032000234 is an apocalyptic number.

22032000234 is an abundant number, since it is smaller than the sum of its proper divisors (27350070426).

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

22032000234 is a wasteful number, since it uses less digits than its factorization.

22032000234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42206934 (or 42206931 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

Adding to 22032000234 its reverse (43200023022), we get a palindrome (65232023256).

The spelling of 22032000234 in words is "twenty-two billion, thirty-two million, two hundred thirty-four", and thus it is an aban number.