222808722 has 16 divisors (see below), whose sum is σ = 452923392. Its totient is φ = 73051920.

The previous prime is 222808699. The next prime is 222808739. The reversal of 222808722 is 227808222.

222808722 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 304018 + ... + 304749.

It is an arithmetic number, because the mean of its divisors is an integer number (28307712).

Almost surely, 2^222808722 is an apocalyptic number.

222808722 is an abundant number, since it is smaller than the sum of its proper divisors (230114670).

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

222808722 is a wasteful number, since it uses less digits than its factorization.

222808722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 608833.

The product of its (nonzero) digits is 14336, while the sum is 33.

The square root of 222808722 is about 14926.7786879822. The cubic root of 222808722 is about 606.2392665829.

The spelling of 222808722 in words is "two hundred twenty-two million, eight hundred eight thousand, seven hundred twenty-two".