199372229 has 12 divisors (see below), whose sum is σ = 232286400. Its totient is φ = 170622648.

The previous prime is 199372219. The next prime is 199372231. The reversal of 199372229 is 922273991.

It is not a de Polignac number, because 199372229 - 2¹² = 199368133 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 199372229.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199372219) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32402 + ... + 38060.

It is an arithmetic number, because the mean of its divisors is an integer number (19357200).

Almost surely, 2^199372229 is an apocalyptic number.

It is an amenable number.

199372229 is a deficient number, since it is larger than the sum of its proper divisors (32914171).

199372229 is an equidigital number, since it uses as much as digits as its factorization.

199372229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6392 (or 6385 counting only the distinct ones).

The product of its digits is 122472, while the sum is 44.

The square root of 199372229 is about 14119.9231230202. The cubic root of 199372229 is about 584.1910351524.

The spelling of 199372229 in words is "one hundred ninety-nine million, three hundred seventy-two thousand, two hundred twenty-nine".