220688222 has 8 divisors (see below), whose sum is σ = 331303656. Its totient is φ = 110253672.

The previous prime is 220688219. The next prime is 220688269. The reversal of 220688222 is 222886022.

220688222 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42128 + ... + 47075.

It is an arithmetic number, because the mean of its divisors is an integer number (41412957).

Almost surely, 2^220688222 is an apocalyptic number.

220688222 is a deficient number, since it is larger than the sum of its proper divisors (110615434).

220688222 is a wasteful number, since it uses less digits than its factorization.

220688222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90442.

The product of its (nonzero) digits is 12288, while the sum is 32.

The square root of 220688222 is about 14855.5788174006. The cubic root of 220688222 is about 604.3099132480.

The spelling of 220688222 in words is "two hundred twenty million, six hundred eighty-eight thousand, two hundred twenty-two".