225552450 has 24 divisors (see below), whose sum is σ = 559370448. Its totient is φ = 60147280.

The previous prime is 225552443. The next prime is 225552461. The reversal of 225552450 is 54255522.

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 751692 + ... + 751991.

It is an arithmetic number, because the mean of its divisors is an integer number (23307102).

Almost surely, 2^225552450 is an apocalyptic number.

225552450 is an abundant number, since it is smaller than the sum of its proper divisors (333817998).

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

225552450 is a wasteful number, since it uses less digits than its factorization.

225552450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1503698 (or 1503693 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 30.

The square root of 225552450 is about 15018.4037101151. The cubic root of 225552450 is about 608.7175871384.

The spelling of 225552450 in words is "two hundred twenty-five million, five hundred fifty-two thousand, four hundred fifty".