225442124 has 6 divisors (see below), whose sum is σ = 394523724. Its totient is φ = 112721060.

The previous prime is 225442123. The next prime is 225442141. The reversal of 225442124 is 421244522.

It is a junction number, because it is equal to n+sod(n) for n = 225442093 and 225442102.

It is not an unprimeable number, because it can be changed into a prime (225442123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28180262 + ... + 28180269.

It is an arithmetic number, because the mean of its divisors is an integer number (65753954).

Almost surely, 2^225442124 is an apocalyptic number.

It is an amenable number.

225442124 is a deficient number, since it is larger than the sum of its proper divisors (169081600).

225442124 is a wasteful number, since it uses less digits than its factorization.

225442124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56360535 (or 56360533 counting only the distinct ones).

The product of its digits is 5120, while the sum is 26.

The square root of 225442124 is about 15014.7302340069. The cubic root of 225442124 is about 608.6183222310.

Adding to 225442124 its reverse (421244522), we get a palindrome (646686646).

The spelling of 225442124 in words is "two hundred twenty-five million, four hundred forty-two thousand, one hundred twenty-four".