222782828 has 24 divisors (see below), whose sum is σ = 419939520. Its totient is φ = 103073040.

The previous prime is 222782821. The next prime is 222782849. The reversal of 222782828 is 828287222.

It is not an unprimeable number, because it can be changed into a prime (222782821) 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, 30818 + ... + 37353.

It is an arithmetic number, because the mean of its divisors is an integer number (17497480).

Almost surely, 2^222782828 is an apocalyptic number.

It is an amenable number.

222782828 is a deficient number, since it is larger than the sum of its proper divisors (197156692).

222782828 is a wasteful number, since it uses less digits than its factorization.

222782828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68237 (or 68235 counting only the distinct ones).

The product of its digits is 114688, while the sum is 41.

The square root of 222782828 is about 14925.9112954620. The cubic root of 222782828 is about 606.2157807164.

It can be divided in two parts, 22 and 2782828, that multiplied together give a palindrome (61222216).

The spelling of 222782828 in words is "two hundred twenty-two million, seven hundred eighty-two thousand, eight hundred twenty-eight".