225706615437076 has 12 divisors (see below), whose sum is σ = 395205892172980. Its totient is φ = 112790646244800.

The previous prime is 225706615437059. The next prime is 225706615437091. The reversal of 225706615437076 is 670734516607522.

It can be written as a sum of positive squares in 2 ways, for example, as 86507298864900 + 139199316572176 = 9300930^2 + 11798276^2 .

It is a super-2 number, since 2×225706615437076² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15665360331 + ... + 15665374738.

Almost surely, 2^{225706615437076} is an apocalyptic number.

It is an amenable number.

225706615437076 is a deficient number, since it is larger than the sum of its proper divisors (169499276735904).

225706615437076 is a wasteful number, since it uses less digits than its factorization.

225706615437076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31330736874 (or 31330736872 counting only the distinct ones).

The product of its (nonzero) digits is 88905600, while the sum is 61.

The spelling of 225706615437076 in words is "two hundred twenty-five trillion, seven hundred six billion, six hundred fifteen million, four hundred thirty-seven thousand, seventy-six".