222475251 has 16 divisors (see below), whose sum is σ = 319518720. Its totient is φ = 137290560.

The previous prime is 222475241. The next prime is 222475283. The reversal of 222475251 is 152574222.

It is not a de Polignac number, because 222475251 - 2⁵ = 222475219 is a prime.

It is not an unprimeable number, because it can be changed into a prime (222475241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49866 + ... + 54143.

It is an arithmetic number, because the mean of its divisors is an integer number (19969920).

Almost surely, 2^222475251 is an apocalyptic number.

222475251 is a deficient number, since it is larger than the sum of its proper divisors (97043469).

222475251 is a wasteful number, since it uses less digits than its factorization.

222475251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104066.

The product of its digits is 11200, while the sum is 30.

The square root of 222475251 is about 14915.6042787411. The cubic root of 222475251 is about 605.9366689800.

The spelling of 222475251 in words is "two hundred twenty-two million, four hundred seventy-five thousand, two hundred fifty-one".