225042150 has 48 divisors (see below), whose sum is σ = 561906000. Its totient is φ = 59602560.

The previous prime is 225042131. The next prime is 225042173. The reversal of 225042150 is 51240522.

It is a happy number.

It is a Curzon number.

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, 17316 + ... + 27384.

It is an arithmetic number, because the mean of its divisors is an integer number (11706375).

Almost surely, 2^225042150 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 225042150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (280953000).

225042150 is an abundant number, since it is smaller than the sum of its proper divisors (336863850).

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

225042150 is a wasteful number, since it uses less digits than its factorization.

225042150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10233 (or 10228 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 225042150 is about 15001.4049342053. The cubic root of 225042150 is about 608.2581771584.

Adding to 225042150 its reverse (51240522), we get a palindrome (276282672).

The spelling of 225042150 in words is "two hundred twenty-five million, forty-two thousand, one hundred fifty".