222176868 has 24 divisors (see below), whose sum is σ = 531058080. Its totient is φ = 72252480.

The previous prime is 222176863. The next prime is 222176879. The reversal of 222176868 is 868671222.

It is a happy number.

222176868 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (222176863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 225298 + ... + 226281.

It is an arithmetic number, because the mean of its divisors is an integer number (22127420).

Almost surely, 2^222176868 is an apocalyptic number.

It is an amenable number.

222176868 is an abundant number, since it is smaller than the sum of its proper divisors (308881212).

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

222176868 is a wasteful number, since it uses less digits than its factorization.

222176868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451627 (or 451625 counting only the distinct ones).

The product of its digits is 129024, while the sum is 42.

The square root of 222176868 is about 14905.5985455130. The cubic root of 222176868 is about 605.6656544281.

The spelling of 222176868 in words is "two hundred twenty-two million, one hundred seventy-six thousand, eight hundred sixty-eight".