452272666 has 12 divisors (see below), whose sum is σ = 689724126. Its totient is φ = 222425520.

The previous prime is 452272657. The next prime is 452272679. The reversal of 452272666 is 666272254.

It can be written as a sum of positive squares in 3 ways, for example, as 221384641 + 230888025 = 14879^2 + 15195^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22945 + ... + 37828.

Almost surely, 2^452272666 is an apocalyptic number.

452272666 is a deficient number, since it is larger than the sum of its proper divisors (237451460).

452272666 is an equidigital number, since it uses as much as digits as its factorization.

452272666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60897 (or 60836 counting only the distinct ones).

The product of its digits is 241920, while the sum is 40.

The square root of 452272666 is about 21266.7032235840. The cubic root of 452272666 is about 767.5973151652.

The spelling of 452272666 in words is "four hundred fifty-two million, two hundred seventy-two thousand, six hundred sixty-six".