222094828 has 12 divisors (see below), whose sum is σ = 397705000. Its totient is φ = 108464832.

The previous prime is 222094823. The next prime is 222094837. The reversal of 222094828 is 828490222.

It is a super-2 number, since 2×222094828² = 98652225248699168, which contains 22 as substring.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (222094823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 645453 + ... + 645796.

Almost surely, 2^222094828 is an apocalyptic number.

It is an amenable number.

222094828 is a deficient number, since it is larger than the sum of its proper divisors (175610172).

222094828 is a wasteful number, since it uses less digits than its factorization.

222094828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1291296 (or 1291294 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 37.

The square root of 222094828 is about 14902.8463053203. The cubic root of 222094828 is about 605.5910968201.

The spelling of 222094828 in words is "two hundred twenty-two million, ninety-four thousand, eight hundred twenty-eight".