199135022 has 4 divisors (see below), whose sum is σ = 298702536. Its totient is φ = 99567510.

The previous prime is 199135019. The next prime is 199135031. The reversal of 199135022 is 220531991.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 220531991 = 163 ⋅1352957.

It is a self number, because there is not a number n which added to its sum of digits gives 199135022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49783754 + ... + 49783757.

It is an arithmetic number, because the mean of its divisors is an integer number (74675634).

Almost surely, 2^199135022 is an apocalyptic number.

199135022 is a deficient number, since it is larger than the sum of its proper divisors (99567514).

199135022 is an equidigital number, since it uses as much as digits as its factorization.

199135022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99567513.

The product of its (nonzero) digits is 4860, while the sum is 32.

The square root of 199135022 is about 14111.5208960622. The cubic root of 199135022 is about 583.9592589800.

The spelling of 199135022 in words is "one hundred ninety-nine million, one hundred thirty-five thousand, twenty-two".