444522897 has 60 divisors (see below), whose sum is σ = 821948160. Its totient is φ = 234423072.

The previous prime is 444522893. The next prime is 444522901. The reversal of 444522897 is 798225444.

444522897 is a `hidden beast` number, since 4 + 44 + 522 + 89 + 7 = 666.

It is an interprime number because it is at equal distance from previous prime (444522893) and next prime (444522901).

It is not a de Polignac number, because 444522897 - 2² = 444522893 is a prime.

It is not an unprimeable number, because it can be changed into a prime (444522893) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 93504 + ... + 98142.

It is an arithmetic number, because the mean of its divisors is an integer number (13699136).

Almost surely, 2^444522897 is an apocalyptic number.

It is an amenable number.

444522897 is a deficient number, since it is larger than the sum of its proper divisors (377425263).

444522897 is a wasteful number, since it uses less digits than its factorization.

444522897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4684 (or 4662 counting only the distinct ones).

The product of its digits is 645120, while the sum is 45.

The square root of 444522897 is about 21083.7116514147. The cubic root of 444522897 is about 763.1877286059.

The spelling of 444522897 in words is "four hundred forty-four million, five hundred twenty-two thousand, eight hundred ninety-seven".