225115122 has 32 divisors (see below), whose sum is σ = 497446272. Its totient is φ = 67553024.

The previous prime is 225115117. The next prime is 225115127. The reversal of 225115122 is 221511522.

It is an interprime number because it is at equal distance from previous prime (225115117) and next prime (225115127).

It is not an unprimeable number, because it can be changed into a prime (225115127) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 45633 + ... + 50324.

It is an arithmetic number, because the mean of its divisors is an integer number (15545196).

Almost surely, 2^225115122 is an apocalyptic number.

225115122 is an abundant number, since it is smaller than the sum of its proper divisors (272331150).

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

225115122 is a wasteful number, since it uses less digits than its factorization.

225115122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96002.

The product of its digits is 400, while the sum is 21.

The square root of 225115122 is about 15003.8369092709. The cubic root of 225115122 is about 608.3239145015.

Adding to 225115122 its reverse (221511522), we get a palindrome (446626644).

The spelling of 225115122 in words is "two hundred twenty-five million, one hundred fifteen thousand, one hundred twenty-two".