222002208 has 120 divisors (see below), whose sum is σ = 669146940. Its totient is φ = 72161280.

The previous prime is 222002189. The next prime is 222002219. The reversal of 222002208 is 802200222.

222002208 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 221057424 + 944784 = 14868^2 + 972^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 105228 + ... + 107316.

Almost surely, 2^222002208 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 222002208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (334573470).

222002208 is an abundant number, since it is smaller than the sum of its proper divisors (447144732).

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

222002208 is a wasteful number, since it uses less digits than its factorization.

222002208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2152 (or 2135 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 222002208 is about 14899.7385211956. The cubic root of 222002208 is about 605.5069020841.

The spelling of 222002208 in words is "two hundred twenty-two million, two thousand, two hundred eight".