199220886 has 24 divisors (see below), whose sum is σ = 442174824. Its totient is φ = 64787040.

The previous prime is 199220873. The next prime is 199220891. The reversal of 199220886 is 688022991.

It is a super-2 number, since 2×199220886² = 79377922837249992, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 134236 + ... + 135711.

It is an arithmetic number, because the mean of its divisors is an integer number (18423951).

Almost surely, 2^199220886 is an apocalyptic number.

199220886 is an abundant number, since it is smaller than the sum of its proper divisors (242953938).

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

199220886 is a wasteful number, since it uses less digits than its factorization.

199220886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269996 (or 269993 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 45.

The square root of 199220886 is about 14114.5629050283. The cubic root of 199220886 is about 584.0431783769.

The spelling of 199220886 in words is "one hundred ninety-nine million, two hundred twenty thousand, eight hundred eighty-six".