222820752 has 240 divisors, whose sum is σ = 761951232. Its totient is φ = 54501120.

The previous prime is 222820729. The next prime is 222820769. The reversal of 222820752 is 257028222.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1334173 + ... + 1334339.

Almost surely, 2^222820752 is an apocalyptic number.

222820752 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222820752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (380975616).

222820752 is an abundant number, since it is smaller than the sum of its proper divisors (539130480).

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

222820752 is a wasteful number, since it uses less digits than its factorization.

222820752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234 (or 209 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 30.

The square root of 222820752 is about 14927.1816495948. The cubic root of 222820752 is about 606.2501771778.

Adding to 222820752 its reverse (257028222), we get a palindrome (479848974).

The spelling of 222820752 in words is "two hundred twenty-two million, eight hundred twenty thousand, seven hundred fifty-two".