22640071125 has 64 divisors (see below), whose sum is σ = 44443975680. Its totient is φ = 10015848000.

The previous prime is 22640071123. The next prime is 22640071159. The reversal of 22640071125 is 52117004622.

It is not a de Polignac number, because 22640071125 - 2¹ = 22640071123 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22640071092 and 22640071101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22640071123) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 57735 + ... + 220484.

It is an arithmetic number, because the mean of its divisors is an integer number (694437120).

Almost surely, 2^22640071125 is an apocalyptic number.

22640071125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22640071125 is a deficient number, since it is larger than the sum of its proper divisors (21803904555).

22640071125 is a wasteful number, since it uses less digits than its factorization.

22640071125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278275 (or 278265 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

Adding to 22640071125 its reverse (52117004622), we get a palindrome (74757075747).

The spelling of 22640071125 in words is "twenty-two billion, six hundred forty million, seventy-one thousand, one hundred twenty-five".