22033025440 has 48 divisors (see below), whose sum is σ = 55114971912. Its totient is φ = 8294785024.

The previous prime is 22033025429. The next prime is 22033025459. The reversal of 22033025440 is 4452033022.

It can be written as a sum of positive squares in 4 ways, for example, as 16058972176 + 5974053264 = 126724^2 + 77292^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4047469 + ... + 4052908.

Almost surely, 2^22033025440 is an apocalyptic number.

22033025440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22033025440 is an abundant number, since it is smaller than the sum of its proper divisors (33081946472).

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

22033025440 is a wasteful number, since it uses less digits than its factorization.

22033025440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8100409 (or 8100401 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 25.

Adding to 22033025440 its reverse (4452033022), we get a palindrome (26485058462).

The spelling of 22033025440 in words is "twenty-two billion, thirty-three million, twenty-five thousand, four hundred forty".