225766244577 has 16 divisors (see below), whose sum is σ = 302139279360. Its totient is φ = 149953029072.

The previous prime is 225766244551. The next prime is 225766244579. The reversal of 225766244577 is 775442667522.

It is a happy number.

It is not a de Polignac number, because 225766244577 - 2¹⁰ = 225766243553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (225766244579) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 773074 + ... + 1024292.

It is an arithmetic number, because the mean of its divisors is an integer number (18883704960).

Almost surely, 2^225766244577 is an apocalyptic number.

It is an amenable number.

225766244577 is a deficient number, since it is larger than the sum of its proper divisors (76373034783).

225766244577 is a wasteful number, since it uses less digits than its factorization.

225766244577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252332.

The product of its digits is 39513600, while the sum is 57.

The spelling of 225766244577 in words is "two hundred twenty-five billion, seven hundred sixty-six million, two hundred forty-four thousand, five hundred seventy-seven".