225666354441 has 64 divisors (see below), whose sum is σ = 343373126400. Its totient is φ = 130572288000.

The previous prime is 225666354409. The next prime is 225666354449. The reversal of 225666354441 is 144453666522.

It is not a de Polignac number, because 225666354441 - 2⁵ = 225666354409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (225666354449) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 136188885 + ... + 136190541.

It is an arithmetic number, because the mean of its divisors is an integer number (5365205100).

Almost surely, 2^225666354441 is an apocalyptic number.

It is an amenable number.

225666354441 is a deficient number, since it is larger than the sum of its proper divisors (117706771959).

225666354441 is a wasteful number, since it uses less digits than its factorization.

225666354441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3210.

The product of its digits is 4147200, while the sum is 48.

The spelling of 225666354441 in words is "two hundred twenty-five billion, six hundred sixty-six million, three hundred fifty-four thousand, four hundred forty-one".