22040425200 has 120 divisors (see below), whose sum is σ = 74756005488. Its totient is φ = 5531709440.

The previous prime is 22040425181. The next prime is 22040425223. The reversal of 22040425200 is 252404022.

It is a tau number, because it is divible by the number of its divisors (120).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 519807 + ... + 560606.

Almost surely, 2^22040425200 is an apocalyptic number.

22040425200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22040425200 is an abundant number, since it is smaller than the sum of its proper divisors (52715580288).

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

22040425200 is a wasteful number, since it uses less digits than its factorization.

22040425200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1080451 (or 1080440 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 21.

Adding to 22040425200 its reverse (252404022), we get a palindrome (22292829222).

The spelling of 22040425200 in words is "twenty-two billion, forty million, four hundred twenty-five thousand, two hundred".