199022454 has 32 divisors (see below), whose sum is σ = 465552000. Its totient is φ = 62848872.

The previous prime is 199022437. The next prime is 199022489. The reversal of 199022454 is 454220991.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95964 + ... + 98015.

It is an arithmetic number, because the mean of its divisors is an integer number (14548500).

Almost surely, 2^199022454 is an apocalyptic number.

199022454 is an abundant number, since it is smaller than the sum of its proper divisors (266529546).

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

199022454 is a wasteful number, since it uses less digits than its factorization.

199022454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194009 (or 194003 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 199022454 is about 14107.5318181459. The cubic root of 199022454 is about 583.8492038100.

The spelling of 199022454 in words is "one hundred ninety-nine million, twenty-two thousand, four hundred fifty-four".