221430624664023 has 12 divisors (see below), whose sum is σ = 320649888617448. Its totient is φ = 147248576600400.

The previous prime is 221430624664003. The next prime is 221430624664031. The reversal of 221430624664023 is 320466426034122.

221430624664023 is a `hidden beast` number, since 2 + 2 + 14 + 3 + 0 + 624 + 6 + 6 + 4 + 0 + 2 + 3 = 666.

It is not a de Polignac number, because 221430624664023 - 2⁵ = 221430624663991 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 221430624664023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221430624664003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30986649753 + ... + 30986656898.

It is an arithmetic number, because the mean of its divisors is an integer number (26720824051454).

Almost surely, 2^{221430624664023} is an apocalyptic number.

221430624664023 is a deficient number, since it is larger than the sum of its proper divisors (99219263953425).

221430624664023 is a wasteful number, since it uses less digits than its factorization.

221430624664023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61973307054 (or 61973307051 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 45.

The spelling of 221430624664023 in words is "two hundred twenty-one trillion, four hundred thirty billion, six hundred twenty-four million, six hundred sixty-four thousand, twenty-three".