199622155 has 8 divisors (see below), whose sum is σ = 239709600. Its totient is φ = 159589056.

The previous prime is 199622149. The next prime is 199622173. The reversal of 199622155 is 551226991.

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

It is a cyclic number.

It is not a de Polignac number, because 199622155 - 2³ = 199622147 is a prime.

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, 5010 + ... + 20599.

It is an arithmetic number, because the mean of its divisors is an integer number (29963700).

Almost surely, 2^199622155 is an apocalyptic number.

199622155 is a deficient number, since it is larger than the sum of its proper divisors (40087445).

199622155 is a wasteful number, since it uses less digits than its factorization.

199622155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27173.

The product of its digits is 48600, while the sum is 40.

The square root of 199622155 is about 14128.7704702143. The cubic root of 199622155 is about 584.4350403199.

The spelling of 199622155 in words is "one hundred ninety-nine million, six hundred twenty-two thousand, one hundred fifty-five".