225132554644 has 12 divisors (see below), whose sum is σ = 394457226100. Its totient is φ = 112430490048.

The previous prime is 225132554627. The next prime is 225132554657. The reversal of 225132554644 is 446455231522.

It can be written as a sum of positive squares in 2 ways, for example, as 69478633744 + 155653920900 = 263588^2 + 394530^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 225132554644.

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, 33943089 + ... + 33949720.

Almost surely, 2^225132554644 is an apocalyptic number.

It is an amenable number.

225132554644 is a deficient number, since it is larger than the sum of its proper divisors (169324671456).

225132554644 is a wasteful number, since it uses less digits than its factorization.

225132554644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67893642 (or 67893640 counting only the distinct ones).

The product of its digits is 1152000, while the sum is 43.

The spelling of 225132554644 in words is "two hundred twenty-five billion, one hundred thirty-two million, five hundred fifty-four thousand, six hundred forty-four".