427122225 has 72 divisors (see below), whose sum is σ = 791130912. Its totient is φ = 220147200.

The previous prime is 427122187. The next prime is 427122251. The reversal of 427122225 is 522221724.

427122225 is a `hidden beast` number, since 427 + 12 + 2 + 225 = 666.

It is not a de Polignac number, because 427122225 - 2¹² = 427118129 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1267257 + ... + 1267593.

Almost surely, 2^427122225 is an apocalyptic number.

427122225 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

427122225 is a deficient number, since it is larger than the sum of its proper divisors (364008687).

427122225 is a wasteful number, since it uses less digits than its factorization.

427122225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 527 (or 519 counting only the distinct ones).

The product of its digits is 4480, while the sum is 27.

The square root of 427122225 is about 20666.9355493261. The cubic root of 427122225 is about 753.0966633049.

Adding to 427122225 its reverse (522221724), we get a palindrome (949343949).

The spelling of 427122225 in words is "four hundred twenty-seven million, one hundred twenty-two thousand, two hundred twenty-five".