22540251654 has 12 divisors (see below), whose sum is σ = 48837211956. Its totient is φ = 7513417212.

The previous prime is 22540251623. The next prime is 22540251691. The reversal of 22540251654 is 45615204522.

22540251654 is a `hidden beast` number, since 2 + 2 + 540 + 2 + 51 + 65 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 626118084 + ... + 626118119.

It is an arithmetic number, because the mean of its divisors is an integer number (4069767663).

Almost surely, 2^22540251654 is an apocalyptic number.

22540251654 is an abundant number, since it is smaller than the sum of its proper divisors (26296960302).

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

22540251654 is a wasteful number, since it uses less digits than its factorization.

22540251654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1252236211 (or 1252236208 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

The spelling of 22540251654 in words is "twenty-two billion, five hundred forty million, two hundred fifty-one thousand, six hundred fifty-four".