551422320022225 has 12 divisors (see below), whose sum is σ = 683765464181260. Its totient is φ = 441136702886400.

The previous prime is 551422320022207. The next prime is 551422320022237. The reversal of 551422320022225 is 522220023224155.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 613902023361 + 550808417998864 = 783519^2 + 23469308^2 .

It is a de Polignac number, because none of the positive numbers 2^k-551422320022225 is a prime.

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, 19007496 + ... + 38263945.

Almost surely, 2^{551422320022225} is an apocalyptic number.

It is an amenable number.

551422320022225 is a deficient number, since it is larger than the sum of its proper divisors (132343144159035).

551422320022225 is a wasteful number, since it uses less digits than its factorization.

551422320022225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57656580 (or 57656575 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 37.

The spelling of 551422320022225 in words is "five hundred fifty-one trillion, four hundred twenty-two billion, three hundred twenty million, twenty-two thousand, two hundred twenty-five".