22540025049997 has 32 divisors (see below), whose sum is σ = 28204648786944. Its totient is φ = 17536344134400.

The previous prime is 22540025049991. The next prime is 22540025050009. The reversal of 22540025049997 is 79994052004522.

It is a happy number.

It is not a de Polignac number, because 22540025049997 - 2²⁷ = 22539890832269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22540025049991) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18316347 + ... + 19508167.

It is an arithmetic number, because the mean of its divisors is an integer number (881395274592).

Almost surely, 2^{22540025049997} is an apocalyptic number.

It is an amenable number.

22540025049997 is a deficient number, since it is larger than the sum of its proper divisors (5664623736947).

22540025049997 is a wasteful number, since it uses less digits than its factorization.

22540025049997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1195309.

The product of its (nonzero) digits is 16329600, while the sum is 58.

The spelling of 22540025049997 in words is "twenty-two trillion, five hundred forty billion, twenty-five million, forty-nine thousand, nine hundred ninety-seven".