222402208 has 24 divisors (see below), whose sum is σ = 500405472. Its totient is φ = 95315136.

The previous prime is 222402197. The next prime is 222402209. The reversal of 222402208 is 802204222.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (222402209) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 496210 + ... + 496657.

It is an arithmetic number, because the mean of its divisors is an integer number (20850228).

Almost surely, 2^222402208 is an apocalyptic number.

222402208 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

222402208 is an abundant number, since it is smaller than the sum of its proper divisors (278003264).

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

222402208 is an equidigital number, since it uses as much as digits as its factorization.

222402208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 992884 (or 992876 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 222402208 is about 14913.1555346278. The cubic root of 222402208 is about 605.8703480798.

The spelling of 222402208 in words is "two hundred twenty-two million, four hundred two thousand, two hundred eight".