22500214440 has 64 divisors (see below), whose sum is σ = 73637069760. Its totient is φ = 5454597120.

The previous prime is 22500214433. The next prime is 22500214469. The reversal of 22500214440 is 4441200522.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 22500214440.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8521489 + ... + 8524128.

It is an arithmetic number, because the mean of its divisors is an integer number (1150579215).

Almost surely, 2^22500214440 is an apocalyptic number.

22500214440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22500214440 is an abundant number, since it is smaller than the sum of its proper divisors (51136855320).

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

22500214440 is a wasteful number, since it uses less digits than its factorization.

22500214440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17045642 (or 17045638 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 24.

Adding to 22500214440 its reverse (4441200522), we get a palindrome (26941414962).

The spelling of 22500214440 in words is "twenty-two billion, five hundred million, two hundred fourteen thousand, four hundred forty".