225392417 has 4 divisors (see below), whose sum is σ = 225422916. Its totient is φ = 225361920.

The previous prime is 225392371. The next prime is 225392471. The reversal of 225392417 is 714293522.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 93624976 + 131767441 = 9676^2 + 11479^2 .

It is a cyclic number.

It is not a de Polignac number, because 225392417 - 2⁶ = 225392353 is a prime.

It is a super-2 number, since 2×225392417² = 101603483282203778, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225392017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3617 + ... + 21537.

It is an arithmetic number, because the mean of its divisors is an integer number (56355729).

Almost surely, 2^225392417 is an apocalyptic number.

It is an amenable number.

225392417 is a deficient number, since it is larger than the sum of its proper divisors (30499).

225392417 is a wasteful number, since it uses less digits than its factorization.

225392417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30498.

The product of its digits is 30240, while the sum is 35.

The square root of 225392417 is about 15013.0748682607. The cubic root of 225392417 is about 608.5735881856.

The spelling of 225392417 in words is "two hundred twenty-five million, three hundred ninety-two thousand, four hundred seventeen".