225778260 has 48 divisors (see below), whose sum is σ = 639809856. Its totient is φ = 59480832.

The previous prime is 225778243. The next prime is 225778261. The reversal of 225778260 is 62877522.

225778260 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225778261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17689 + ... + 27648.

It is an arithmetic number, because the mean of its divisors is an integer number (13329372).

Almost surely, 2^225778260 is an apocalyptic number.

225778260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

225778260 is an abundant number, since it is smaller than the sum of its proper divisors (414031596).

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

225778260 is a wasteful number, since it uses less digits than its factorization.

225778260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45432 (or 45430 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 39.

The square root of 225778260 is about 15025.9196058012. The cubic root of 225778260 is about 608.9206569393.

The spelling of 225778260 in words is "two hundred twenty-five million, seven hundred seventy-eight thousand, two hundred sixty".