22504553663405 has 64 divisors (see below), whose sum is σ = 30132866059776. Its totient is φ = 16130793817600.

The previous prime is 22504553663381. The next prime is 22504553663407. The reversal of 22504553663405 is 50436635540522.

It is a happy number.

It is not a de Polignac number, because 22504553663405 - 2³⁸ = 22229675756461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22504553663407) 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, 1737394409 + ... + 1737407361.

It is an arithmetic number, because the mean of its divisors is an integer number (470826032184).

Almost surely, 2^{22504553663405} is an apocalyptic number.

It is an amenable number.

22504553663405 is a deficient number, since it is larger than the sum of its proper divisors (7628312396371).

22504553663405 is a wasteful number, since it uses less digits than its factorization.

22504553663405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16739 (or 16717 counting only the distinct ones).

The product of its (nonzero) digits is 12960000, while the sum is 50.

The spelling of 22504553663405 in words is "twenty-two trillion, five hundred four billion, five hundred fifty-three million, six hundred sixty-three thousand, four hundred five".