22530256604431 has 8 divisors (see below), whose sum is σ = 23054674020224. Its totient is φ = 22005860005080.

The previous prime is 22530256604423. The next prime is 22530256604473. The reversal of 22530256604431 is 13440665203522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22530256604431 - 2³ = 22530256604423 is a prime.

It is a super-2 number, since 2×22530256604431² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22530266604431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3003555 + ... + 7354036.

It is an arithmetic number, because the mean of its divisors is an integer number (2881834252528).

Almost surely, 2^{22530256604431} is an apocalyptic number.

22530256604431 is a deficient number, since it is larger than the sum of its proper divisors (524417415793).

22530256604431 is a wasteful number, since it uses less digits than its factorization.

22530256604431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10408221.

The product of its (nonzero) digits is 1036800, while the sum is 43.

The spelling of 22530256604431 in words is "twenty-two trillion, five hundred thirty billion, two hundred fifty-six million, six hundred four thousand, four hundred thirty-one".