225450166 has 16 divisors (see below), whose sum is σ = 350467200. Its totient is φ = 108656640.

The previous prime is 225450091. The next prime is 225450179. The reversal of 225450166 is 661054522.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8860 + ... + 23008.

It is an arithmetic number, because the mean of its divisors is an integer number (21904200).

Almost surely, 2^225450166 is an apocalyptic number.

225450166 is a deficient number, since it is larger than the sum of its proper divisors (125017034).

225450166 is a wasteful number, since it uses less digits than its factorization.

225450166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14439.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 225450166 is about 15014.9980352979. The cubic root of 225450166 is about 608.6255590482.

The spelling of 225450166 in words is "two hundred twenty-five million, four hundred fifty thousand, one hundred sixty-six".