222808032 has 72 divisors (see below), whose sum is σ = 638348256. Its totient is φ = 73714176.

The previous prime is 222808021. The next prime is 222808039. The reversal of 222808032 is 230808222.

It is a tau number, because it is divible by the number of its divisors (72).

It is a junction number, because it is equal to n+sod(n) for n = 222807987 and 222808005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222808039) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36633 + ... + 42279.

It is an arithmetic number, because the mean of its divisors is an integer number (8865948).

Almost surely, 2^222808032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222808032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (319174128).

222808032 is an abundant number, since it is smaller than the sum of its proper divisors (415540224).

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

222808032 is a wasteful number, since it uses less digits than its factorization.

222808032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5800 (or 5789 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 222808032 is about 14926.7555751409. The cubic root of 222808032 is about 606.2386407763.

The spelling of 222808032 in words is "two hundred twenty-two million, eight hundred eight thousand, thirty-two".