225656162701 has 2 divisors, whose sum is σ = 225656162702. Its totient is φ = 225656162700.

The previous prime is 225656162687. The next prime is 225656162729. The reversal of 225656162701 is 107261656522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 130837741225 + 94818421476 = 361715^2 + 307926^2 .

It is a cyclic number.

It is not a de Polignac number, because 225656162701 - 2⁹ = 225656162189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225656162801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112828081350 + 112828081351.

It is an arithmetic number, because the mean of its divisors is an integer number (112828081351).

Almost surely, 2^225656162701 is an apocalyptic number.

It is an amenable number.

225656162701 is a deficient number, since it is larger than the sum of its proper divisors (1).

225656162701 is an equidigital number, since it uses as much as digits as its factorization.

225656162701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 302400, while the sum is 43.

The spelling of 225656162701 in words is "two hundred twenty-five billion, six hundred fifty-six million, one hundred sixty-two thousand, seven hundred one".