225672425 has 12 divisors (see below), whose sum is σ = 305273616. Its totient is φ = 164125200.

The previous prime is 225672373. The next prime is 225672431. The reversal of 225672425 is 524276522.

It is a happy number.

It is not a de Polignac number, because 225672425 - 2²⁰ = 224623849 is a prime.

It is a Duffinian 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, 410039 + ... + 410588.

It is an arithmetic number, because the mean of its divisors is an integer number (25439468).

Almost surely, 2^225672425 is an apocalyptic number.

225672425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

225672425 is a deficient number, since it is larger than the sum of its proper divisors (79601191).

225672425 is a wasteful number, since it uses less digits than its factorization.

225672425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 820648 (or 820643 counting only the distinct ones).

The product of its digits is 67200, while the sum is 35.

The square root of 225672425 is about 15022.3974451484. The cubic root of 225672425 is about 608.8254969211.

The spelling of 225672425 in words is "two hundred twenty-five million, six hundred seventy-two thousand, four hundred twenty-five".