199222560 has 72 divisors (see below), whose sum is σ = 679851900. Its totient is φ = 53125632.

The previous prime is 199222559. The next prime is 199222571. The reversal of 199222560 is 65222991.

It is a happy number.

199222560 is a `hidden beast` number, since 1 + 9 + 92 + 2 + 2 + 560 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 184199184 + 15023376 = 13572^2 + 3876^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 67735 + ... + 70614.

Almost surely, 2^199222560 is an apocalyptic number.

199222560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

199222560 is an abundant number, since it is smaller than the sum of its proper divisors (480629340).

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

199222560 is a wasteful number, since it uses less digits than its factorization.

199222560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138370 (or 138359 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 199222560 is about 14114.6222053585. The cubic root of 199222560 is about 584.0448142254.

The spelling of 199222560 in words is "one hundred ninety-nine million, two hundred twenty-two thousand, five hundred sixty".