222067172 has 6 divisors (see below), whose sum is σ = 388617558. Its totient is φ = 111033584.

The previous prime is 222067169. The next prime is 222067177. The reversal of 222067172 is 271760222.

222067172 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 208109476 + 13957696 = 14426^2 + 3736^2 .

222067172 is strictly pandigital in base 9.

It is not an unprimeable number, because it can be changed into a prime (222067177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27758393 + ... + 27758400.

It is an arithmetic number, because the mean of its divisors is an integer number (64769593).

Almost surely, 2^222067172 is an apocalyptic number.

It is an amenable number.

222067172 is a deficient number, since it is larger than the sum of its proper divisors (166550386).

222067172 is a wasteful number, since it uses less digits than its factorization.

222067172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55516797 (or 55516795 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 222067172 is about 14901.9183999913. The cubic root of 222067172 is about 605.5659590253.

The spelling of 222067172 in words is "two hundred twenty-two million, sixty-seven thousand, one hundred seventy-two".