22250512140 has 48 divisors (see below), whose sum is σ = 62461657440. Its totient is φ = 5918210560.

The previous prime is 22250512069. The next prime is 22250512177. The reversal of 22250512140 is 4121505222.

It is a self number, because there is not a number n which added to its sum of digits gives 22250512140.

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, 453321 + ... + 500000.

It is an arithmetic number, because the mean of its divisors is an integer number (1301284530).

Almost surely, 2^22250512140 is an apocalyptic number.

22250512140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22250512140 is an abundant number, since it is smaller than the sum of its proper divisors (40211145300).

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

22250512140 is a wasteful number, since it uses less digits than its factorization.

22250512140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 953722 (or 953720 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The spelling of 22250512140 in words is "twenty-two billion, two hundred fifty million, five hundred twelve thousand, one hundred forty".