225712674 has 72 divisors (see below), whose sum is σ = 555050496. Its totient is φ = 66171600.

The previous prime is 225712661. The next prime is 225712681. The reversal of 225712674 is 476217522.

It is a happy number.

225712674 is a `hidden beast` number, since 22 + 571 + 2 + 67 + 4 = 666.

It is a super-2 number, since 2×225712674² = 101892422408460552, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 65847 + ... + 69189.

Almost surely, 2^225712674 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 225712674, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (277525248).

225712674 is an abundant number, since it is smaller than the sum of its proper divisors (329337822).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

225712674 is a wasteful number, since it uses less digits than its factorization.

225712674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3404 (or 3390 counting only the distinct ones).

The product of its digits is 47040, while the sum is 36.

The square root of 225712674 is about 15023.7370184651. The cubic root of 225712674 is about 608.8616897357.

The spelling of 225712674 in words is "two hundred twenty-five million, seven hundred twelve thousand, six hundred seventy-four".