225023178 has 16 divisors (see below), whose sum is σ = 450344736. Its totient is φ = 74958000.

The previous prime is 225023177. The next prime is 225023189. The reversal of 225023178 is 871320522.

225023178 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (225023177) 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, 1948 + ... + 21303.

It is an arithmetic number, because the mean of its divisors is an integer number (28146546).

Almost surely, 2^225023178 is an apocalyptic number.

225023178 is an abundant number, since it is smaller than the sum of its proper divisors (225321558).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

225023178 is a wasteful number, since it uses less digits than its factorization.

225023178 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24869.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 225023178 is about 15000.7725801040. The cubic root of 225023178 is about 608.2410837703.

The spelling of 225023178 in words is "two hundred twenty-five million, twenty-three thousand, one hundred seventy-eight".