22502032240 has 20 divisors (see below), whose sum is σ = 52317225144. Its totient is φ = 9000812864.

The previous prime is 22502032211. The next prime is 22502032297. The reversal of 22502032240 is 4223020522.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

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, 140637622 + ... + 140637781.

Almost surely, 2^22502032240 is an apocalyptic number.

22502032240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22502032240 is an abundant number, since it is smaller than the sum of its proper divisors (29815192904).

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

22502032240 is a wasteful number, since it uses less digits than its factorization.

22502032240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281275416 (or 281275410 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 22.

Adding to 22502032240 its reverse (4223020522), we get a palindrome (26725052762).

The spelling of 22502032240 in words is "twenty-two billion, five hundred two million, thirty-two thousand, two hundred forty".