225544150 has 48 divisors (see below), whose sum is σ = 460376784. Its totient is φ = 81694080.

The previous prime is 225544139. The next prime is 225544171. The reversal of 225544150 is 51445522.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31177 + ... + 37723.

It is an arithmetic number, because the mean of its divisors is an integer number (9591183).

Almost surely, 2^225544150 is an apocalyptic number.

225544150 is an abundant number, since it is smaller than the sum of its proper divisors (234832634).

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

225544150 is a wasteful number, since it uses less digits than its factorization.

225544150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6625 (or 6620 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 28.

The square root of 225544150 is about 15018.1273799366. The cubic root of 225544150 is about 608.7101204081.

Adding to 225544150 its reverse (51445522), we get a palindrome (276989672).

The spelling of 225544150 in words is "two hundred twenty-five million, five hundred forty-four thousand, one hundred fifty".