225254331 has 16 divisors (see below), whose sum is σ = 335412000. Its totient is φ = 149403744.

The previous prime is 225254321. The next prime is 225254333. The reversal of 225254331 is 133452522.

It is a happy number.

225254331 is a `hidden beast` number, since 225 + 2 + 5 + 433 + 1 = 666.

It is not a de Polignac number, because 225254331 - 2¹¹ = 225252283 is a prime.

It is a super-2 number, since 2×225254331² = 101479027268515122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 225254295 and 225254304.

It is not an unprimeable number, because it can be changed into a prime (225254333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15856 + ... + 26493.

It is an arithmetic number, because the mean of its divisors is an integer number (20963250).

Almost surely, 2^225254331 is an apocalyptic number.

225254331 is a deficient number, since it is larger than the sum of its proper divisors (110157669).

225254331 is a wasteful number, since it uses less digits than its factorization.

225254331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42555 (or 42549 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 225254331 is about 15008.4753056398. The cubic root of 225254331 is about 608.4492825252.

The spelling of 225254331 in words is "two hundred twenty-five million, two hundred fifty-four thousand, three hundred thirty-one".