445227388 has 12 divisors (see below), whose sum is σ = 786713200. Its totient is φ = 220452192.

The previous prime is 445227371. The next prime is 445227403. The reversal of 445227388 is 883722544.

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, 539913 + ... + 540736.

Almost surely, 2^445227388 is an apocalyptic number.

It is an amenable number.

445227388 is a deficient number, since it is larger than the sum of its proper divisors (341485812).

445227388 is a wasteful number, since it uses less digits than its factorization.

445227388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1080756 (or 1080754 counting only the distinct ones).

The product of its digits is 430080, while the sum is 43.

The square root of 445227388 is about 21100.4120338917. The cubic root of 445227388 is about 763.5906888042.

The spelling of 445227388 in words is "four hundred forty-five million, two hundred twenty-seven thousand, three hundred eighty-eight".