22640902142 has 16 divisors (see below), whose sum is σ = 35500646400. Its totient is φ = 10816598520.

The previous prime is 22640902133. The next prime is 22640902153. The reversal of 22640902142 is 24120904622.

It is a super-2 number, since 2×22640902142² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22640902099 and 22640902108.

It is a congruent number.

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, 2306342 + ... + 2316137.

It is an arithmetic number, because the mean of its divisors is an integer number (2218790400).

Almost surely, 2^22640902142 is an apocalyptic number.

22640902142 is a deficient number, since it is larger than the sum of its proper divisors (12859744258).

22640902142 is a wasteful number, since it uses less digits than its factorization.

22640902142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4622591.

The product of its (nonzero) digits is 13824, while the sum is 32.

The spelling of 22640902142 in words is "twenty-two billion, six hundred forty million, nine hundred two thousand, one hundred forty-two".