21476522223315 has 12 divisors (see below), whose sum is σ = 37225971853824. Its totient is φ = 11454145185744.

The previous prime is 21476522223283. The next prime is 21476522223361. The reversal of 21476522223315 is 51332222567412.

21476522223315 is a `hidden beast` number, since 2 + 1 + 4 + 76 + 522 + 2 + 23 + 31 + 5 = 666.

It is not a de Polignac number, because 21476522223315 - 2⁵ = 21476522223283 is a prime.

It is a super-2 number, since 2×21476522223315² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 477256049407 = 21476522223315 / (2 + 1 + 4 + 7 + 6 + 5 + 2 + 2 + 2 + 2 + 3 + 3 + 1 + 5).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 238628024659 + ... + 238628024748.

It is an arithmetic number, because the mean of its divisors is an integer number (3102164321152).

Almost surely, 2^{21476522223315} is an apocalyptic number.

21476522223315 is a deficient number, since it is larger than the sum of its proper divisors (15749449630509).

21476522223315 is a wasteful number, since it uses less digits than its factorization.

21476522223315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477256049418 (or 477256049415 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 45.

The spelling of 21476522223315 in words is "twenty-one trillion, four hundred seventy-six billion, five hundred twenty-two million, two hundred twenty-three thousand, three hundred fifteen".