222188802 has 16 divisors (see below), whose sum is σ = 484775712. Its totient is φ = 67329920.

The previous prime is 222188777. The next prime is 222188803. The reversal of 222188802 is 208881222.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (222188803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1683183 + ... + 1683314.

It is an arithmetic number, because the mean of its divisors is an integer number (30298482).

Almost surely, 2^222188802 is an apocalyptic number.

222188802 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

222188802 is an abundant number, since it is smaller than the sum of its proper divisors (262586910).

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

222188802 is a wasteful number, since it uses less digits than its factorization.

222188802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3366513.

The product of its (nonzero) digits is 8192, while the sum is 33.

The square root of 222188802 is about 14905.9988595196. The cubic root of 222188802 is about 605.6764984681.

The spelling of 222188802 in words is "two hundred twenty-two million, one hundred eighty-eight thousand, eight hundred two".