225431150 has 24 divisors (see below), whose sum is σ = 479202960. Its totient is φ = 77290560.

The previous prime is 225431147. The next prime is 225431183. The reversal of 225431150 is 51134522.

225431150 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 321695 + ... + 322394.

It is an arithmetic number, because the mean of its divisors is an integer number (19966790).

Almost surely, 2^225431150 is an apocalyptic number.

225431150 is an abundant number, since it is smaller than the sum of its proper divisors (253771810).

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

225431150 is a wasteful number, since it uses less digits than its factorization.

225431150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644108 (or 644103 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 225431150 is about 15014.3647884284. The cubic root of 225431150 is about 608.6084466944.

Adding to 225431150 its reverse (51134522), we get a palindrome (276565672).

The spelling of 225431150 in words is "two hundred twenty-five million, four hundred thirty-one thousand, one hundred fifty".