199272225 has 24 divisors (see below), whose sum is σ = 330871680. Its totient is φ = 105824320.

The previous prime is 199272217. The next prime is 199272233. The reversal of 199272225 is 522272991.

It is an interprime number because it is at equal distance from previous prime (199272217) and next prime (199272233).

It is not a de Polignac number, because 199272225 - 2³ = 199272217 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12367 + ... + 23483.

It is an arithmetic number, because the mean of its divisors is an integer number (13786320).

Almost surely, 2^199272225 is an apocalyptic number.

199272225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

199272225 is a deficient number, since it is larger than the sum of its proper divisors (131599455).

199272225 is a wasteful number, since it uses less digits than its factorization.

199272225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11369 (or 11364 counting only the distinct ones).

The product of its digits is 45360, while the sum is 39.

The square root of 199272225 is about 14116.3814414318. The cubic root of 199272225 is about 584.0933431598.

The spelling of 199272225 in words is "one hundred ninety-nine million, two hundred seventy-two thousand, two hundred twenty-five".