167222225 has 12 divisors (see below), whose sum is σ = 210871920. Its totient is φ = 131509200.

The previous prime is 167222201. The next prime is 167222233. The reversal of 167222225 is 522222761.

It is not a de Polignac number, because 167222225 - 2²⁰ = 166173649 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55211 + ... + 58160.

It is an arithmetic number, because the mean of its divisors is an integer number (17572660).

Almost surely, 2^167222225 is an apocalyptic number.

It is an amenable number.

167222225 is a deficient number, since it is larger than the sum of its proper divisors (43649695).

167222225 is a wasteful number, since it uses less digits than its factorization.

167222225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113440 (or 113435 counting only the distinct ones).

The product of its digits is 6720, while the sum is 29.

The square root of 167222225 is about 12931.4432682512. The cubic root of 167222225 is about 550.9320010552.

Adding to 167222225 its reverse (522222761), we get a palindrome (689444986).

The spelling of 167222225 in words is "one hundred sixty-seven million, two hundred twenty-two thousand, two hundred twenty-five".