225122222115 has 48 divisors (see below), whose sum is σ = 460342112256. Its totient is φ = 99593236800.

The previous prime is 225122222089. The next prime is 225122222167. The reversal of 225122222115 is 511222221522.

225122222115 is a `hidden beast` number, since 225 + 1 + 2 + 222 + 211 + 5 = 666.

It is not a de Polignac number, because 225122222115 - 2¹⁰ = 225122221091 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11517231 + ... + 11536760.

It is an arithmetic number, because the mean of its divisors is an integer number (9590460672).

Almost surely, 2^225122222115 is an apocalyptic number.

225122222115 is an abundant number, since it is smaller than the sum of its proper divisors (235219890141).

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

225122222115 is a wasteful number, since it uses less digits than its factorization.

225122222115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23054040 (or 23054037 counting only the distinct ones).

The product of its digits is 3200, while the sum is 27.

Adding to 225122222115 its reverse (511222221522), we get a palindrome (736344443637).

The spelling of 225122222115 in words is "two hundred twenty-five billion, one hundred twenty-two million, two hundred twenty-two thousand, one hundred fifteen".