225555150 has 96 divisors (see below), whose sum is σ = 596613600. Its totient is φ = 56197120.

The previous prime is 225555139. The next prime is 225555173. The reversal of 225555150 is 51555522.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 502126 + ... + 502574.

It is an arithmetic number, because the mean of its divisors is an integer number (6214725).

Almost surely, 2^225555150 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 225555150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (298306800).

225555150 is an abundant number, since it is smaller than the sum of its proper divisors (371058450).

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

225555150 is a wasteful number, since it uses less digits than its factorization.

225555150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678 (or 673 counting only the distinct ones).

The product of its (nonzero) digits is 12500, while the sum is 30.

The square root of 225555150 is about 15018.4935995592. The cubic root of 225555150 is about 608.7200160353.

The spelling of 225555150 in words is "two hundred twenty-five million, five hundred fifty-five thousand, one hundred fifty".