225428937 has 16 divisors (see below), whose sum is σ = 307494912. Its totient is φ = 146860560.

The previous prime is 225428927. The next prime is 225428941. The reversal of 225428937 is 739824522.

It is not a de Polignac number, because 225428937 - 2⁷ = 225428809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (225428927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21112 + ... + 29942.

It is an arithmetic number, because the mean of its divisors is an integer number (19218432).

Almost surely, 2^225428937 is an apocalyptic number.

It is an amenable number.

225428937 is a deficient number, since it is larger than the sum of its proper divisors (82065975).

225428937 is a wasteful number, since it uses less digits than its factorization.

225428937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9028.

The product of its digits is 241920, while the sum is 42.

The square root of 225428937 is about 15014.2910921562. The cubic root of 225428937 is about 608.6064551700.

The spelling of 225428937 in words is "two hundred twenty-five million, four hundred twenty-eight thousand, nine hundred thirty-seven".