226625121 has 10 divisors (see below), whose sum is σ = 338538882. Its totient is φ = 151083360.

The previous prime is 226625089. The next prime is 226625123. The reversal of 226625121 is 121526622.

226625121 is a `hidden beast` number, since 2 + 26 + 625 + 12 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 217857600 + 8767521 = 14760^2 + 2961^2 .

It is not a de Polignac number, because 226625121 - 2⁵ = 226625089 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (226625123) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1398840 + ... + 1399001.

Almost surely, 2^226625121 is an apocalyptic number.

It is an amenable number.

226625121 is a deficient number, since it is larger than the sum of its proper divisors (111913761).

226625121 is an equidigital number, since it uses as much as digits as its factorization.

226625121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2797853 (or 2797844 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 226625121 is about 15054.0732361710. The cubic root of 226625121 is about 609.6810309468.

The spelling of 226625121 in words is "two hundred twenty-six million, six hundred twenty-five thousand, one hundred twenty-one".