222394368 has 96 divisors (see below), whose sum is σ = 677738880. Its totient is φ = 63528960.

The previous prime is 222394363. The next prime is 222394379. The reversal of 222394368 is 863493222.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222394363) 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, 40423 + ... + 45593.

It is an arithmetic number, because the mean of its divisors is an integer number (7059780).

Almost surely, 2^222394368 is an apocalyptic number.

222394368 is a gapful number since it is divisible by the number (28) 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 222394368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (338869440).

222394368 is an abundant number, since it is smaller than the sum of its proper divisors (455344512).

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

222394368 is an equidigital number, since it uses as much as digits as its factorization.

222394368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5203 (or 5183 counting only the distinct ones).

The product of its digits is 124416, while the sum is 39.

The square root of 222394368 is about 14912.8926771435. The cubic root of 222394368 is about 605.8632287270.

The spelling of 222394368 in words is "two hundred twenty-two million, three hundred ninety-four thousand, three hundred sixty-eight".