225254121 has 8 divisors (see below), whose sum is σ = 300496224. Its totient is φ = 150090720.

The previous prime is 225254119. The next prime is 225254147. The reversal of 225254121 is 121452522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 225254121 - 2¹ = 225254119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 225254091 and 225254100.

It is not an unprimeable number, because it can be changed into a prime (225254171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12636 + ... + 24701.

It is an arithmetic number, because the mean of its divisors is an integer number (37562028).

Almost surely, 2^225254121 is an apocalyptic number.

It is an amenable number.

225254121 is a deficient number, since it is larger than the sum of its proper divisors (75242103).

225254121 is a wasteful number, since it uses less digits than its factorization.

225254121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39351.

The product of its digits is 1600, while the sum is 24.

The square root of 225254121 is about 15008.4683095911. The cubic root of 225254121 is about 608.4490934435.

The spelling of 225254121 in words is "two hundred twenty-five million, two hundred fifty-four thousand, one hundred twenty-one".