22555002140 has 24 divisors (see below), whose sum is σ = 51671459952. Its totient is φ = 8201818880.

The previous prime is 22555002139. The next prime is 22555002181. The reversal of 22555002140 is 4120055522.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51261149 + ... + 51261588.

It is an arithmetic number, because the mean of its divisors is an integer number (2152977498).

Almost surely, 2^22555002140 is an apocalyptic number.

22555002140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22555002140 is an abundant number, since it is smaller than the sum of its proper divisors (29116457812).

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

22555002140 is a wasteful number, since it uses less digits than its factorization.

22555002140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102522757 (or 102522755 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 26.

Adding to 22555002140 its reverse (4120055522), we get a palindrome (26675057662).

The spelling of 22555002140 in words is "twenty-two billion, five hundred fifty-five million, two thousand, one hundred forty".