222798912 has 112 divisors (see below), whose sum is σ = 681045120. Its totient is φ = 62963712.

The previous prime is 222798887. The next prime is 222798949. The reversal of 222798912 is 219897222.

222798912 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129514 + ... + 131222.

It is an arithmetic number, because the mean of its divisors is an integer number (6080760).

Almost surely, 2^222798912 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 222798912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (340522560).

222798912 is an abundant number, since it is smaller than the sum of its proper divisors (458246208).

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

222798912 is a wasteful number, since it uses less digits than its factorization.

222798912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1828 (or 1818 counting only the distinct ones).

The product of its digits is 72576, while the sum is 42.

The square root of 222798912 is about 14926.4500803105. The cubic root of 222798912 is about 606.2303691238.

The spelling of 222798912 in words is "two hundred twenty-two million, seven hundred ninety-eight thousand, nine hundred twelve".