225776557627 has 2 divisors, whose sum is σ = 225776557628. Its totient is φ = 225776557626.

The previous prime is 225776557619. The next prime is 225776557637. The reversal of 225776557627 is 726755677522.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 225776557627 - 2³ = 225776557619 is a prime.

It is a super-2 number, since 2×225776557627² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (225776557607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112888278813 + 112888278814.

It is an arithmetic number, because the mean of its divisors is an integer number (112888278814).

Almost surely, 2^225776557627 is an apocalyptic number.

225776557627 is a deficient number, since it is larger than the sum of its proper divisors (1).

225776557627 is an equidigital number, since it uses as much as digits as its factorization.

225776557627 is an evil number, because the sum of its binary digits is even.

The product of its digits is 86436000, while the sum is 61.

The spelling of 225776557627 in words is "two hundred twenty-five billion, seven hundred seventy-six million, five hundred fifty-seven thousand, six hundred twenty-seven".