225436790 has 16 divisors (see below), whose sum is σ = 406036800. Its totient is φ = 90119040.

The previous prime is 225436789. The next prime is 225436793. The reversal of 225436790 is 97634522.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225436793) 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, 12686 + ... + 24734.

It is an arithmetic number, because the mean of its divisors is an integer number (25377300).

Almost surely, 2^225436790 is an apocalyptic number.

225436790 is a deficient number, since it is larger than the sum of its proper divisors (180600010).

225436790 is a wasteful number, since it uses less digits than its factorization.

225436790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13927.

The product of its (nonzero) digits is 90720, while the sum is 38.

The square root of 225436790 is about 15014.5526073873. The cubic root of 225436790 is about 608.6135221879.

The spelling of 225436790 in words is "two hundred twenty-five million, four hundred thirty-six thousand, seven hundred ninety".