225472122 has 48 divisors (see below), whose sum is σ = 519592320. Its totient is φ = 70417536.

The previous prime is 225472109. The next prime is 225472127. The reversal of 225472122 is 221274522.

It is not an unprimeable number, because it can be changed into a prime (225472127) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 71593 + ... + 74675.

It is an arithmetic number, because the mean of its divisors is an integer number (10824840).

Almost surely, 2^225472122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 225472122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (259796160).

225472122 is an abundant number, since it is smaller than the sum of its proper divisors (294120198).

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

225472122 is a wasteful number, since it uses less digits than its factorization.

225472122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3347 (or 3344 counting only the distinct ones).

The product of its digits is 4480, while the sum is 27.

The square root of 225472122 is about 15015.7291531247. The cubic root of 225472122 is about 608.6453158889.

The spelling of 225472122 in words is "two hundred twenty-five million, four hundred seventy-two thousand, one hundred twenty-two".