222198086 has 32 divisors (see below), whose sum is σ = 370828800. Its totient is φ = 99010080.

The previous prime is 222198083. The next prime is 222198107. The reversal of 222198086 is 680891222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222198083) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 300305 + ... + 301043.

It is an arithmetic number, because the mean of its divisors is an integer number (11588400).

Almost surely, 2^222198086 is an apocalyptic number.

222198086 is a deficient number, since it is larger than the sum of its proper divisors (148630714).

222198086 is a wasteful number, since it uses less digits than its factorization.

222198086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1004.

The product of its (nonzero) digits is 27648, while the sum is 38.

The square root of 222198086 is about 14906.3102745113. The cubic root of 222198086 is about 605.6849342702.

The spelling of 222198086 in words is "two hundred twenty-two million, one hundred ninety-eight thousand, eighty-six".