199226154 has 8 divisors (see below), whose sum is σ = 398452320. Its totient is φ = 66408716.

The previous prime is 199226147. The next prime is 199226173. The reversal of 199226154 is 451622991.

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

199226154 is an admirable 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 3 ways as a sum of consecutive naturals, for example, 16602174 + ... + 16602185.

It is an arithmetic number, because the mean of its divisors is an integer number (49806540).

Almost surely, 2^199226154 is an apocalyptic number.

199226154 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

199226154 is a wasteful number, since it uses less digits than its factorization.

199226154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33204364.

The product of its digits is 38880, while the sum is 39.

The square root of 199226154 is about 14114.7495195629. The cubic root of 199226154 is about 584.0483262848.

The spelling of 199226154 in words is "one hundred ninety-nine million, two hundred twenty-six thousand, one hundred fifty-four".