222116828 has 24 divisors (see below), whose sum is σ = 396673200. Its totient is φ = 108795008.

The previous prime is 222116827. The next prime is 222116863. The reversal of 222116828 is 828611222.

It is a junction number, because it is equal to n+sod(n) for n = 222116794 and 222116803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222116827) 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, 73328 + ... + 76296.

It is an arithmetic number, because the mean of its divisors is an integer number (16528050).

Almost surely, 2^222116828 is an apocalyptic number.

It is an amenable number.

222116828 is a deficient number, since it is larger than the sum of its proper divisors (174556372).

222116828 is a wasteful number, since it uses less digits than its factorization.

222116828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3349 (or 3347 counting only the distinct ones).

The product of its digits is 6144, while the sum is 32.

The square root of 222116828 is about 14903.5844010761. The cubic root of 222116828 is about 605.6110921293.

The spelling of 222116828 in words is "two hundred twenty-two million, one hundred sixteen thousand, eight hundred twenty-eight".