427667225 has 12 divisors (see below), whose sum is σ = 532230444. Its totient is φ = 340893120.

The previous prime is 427667213. The next prime is 427667239. The reversal of 427667225 is 522766724.

It can be written as a sum of positive squares in 6 ways, for example, as 106110601 + 321556624 = 10301^2 + 17932^2 .

It is not a de Polignac number, because 427667225 - 2⁸ = 427666969 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23954 + ... + 37803.

It is an arithmetic number, because the mean of its divisors is an integer number (44352537).

Almost surely, 2^427667225 is an apocalyptic number.

It is an amenable number.

427667225 is a deficient number, since it is larger than the sum of its proper divisors (104563219).

427667225 is a wasteful number, since it uses less digits than its factorization.

427667225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62044 (or 62039 counting only the distinct ones).

The product of its digits is 282240, while the sum is 41.

The square root of 427667225 is about 20680.1166582783. The cubic root of 427667225 is about 753.4168396001.

The spelling of 427667225 in words is "four hundred twenty-seven million, six hundred sixty-seven thousand, two hundred twenty-five".