225209372122 has 16 divisors (see below), whose sum is σ = 399386079360. Its totient is φ = 93190084848.

The previous prime is 225209372117. The next prime is 225209372147. The reversal of 225209372122 is 221273902522.

It is a super-2 number, since 2×225209372122² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 277351038 + ... + 277351849.

It is an arithmetic number, because the mean of its divisors is an integer number (24961629960).

Almost surely, 2^225209372122 is an apocalyptic number.

225209372122 is a deficient number, since it is larger than the sum of its proper divisors (174176707238).

225209372122 is a wasteful number, since it uses less digits than its factorization.

225209372122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 554702925.

The product of its (nonzero) digits is 60480, while the sum is 37.

The spelling of 225209372122 in words is "two hundred twenty-five billion, two hundred nine million, three hundred seventy-two thousand, one hundred twenty-two".