194224272 has 40 divisors (see below), whose sum is σ = 547360800. Its totient is φ = 58855680.

The previous prime is 194224253. The next prime is 194224321. The reversal of 194224272 is 272422491.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 183397 + ... + 184452.

It is an arithmetic number, because the mean of its divisors is an integer number (13684020).

Almost surely, 2^194224272 is an apocalyptic number.

194224272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

194224272 is an abundant number, since it is smaller than the sum of its proper divisors (353136528).

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

194224272 is a wasteful number, since it uses less digits than its factorization.

194224272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367871 (or 367865 counting only the distinct ones).

The product of its digits is 16128, while the sum is 33.

The square root of 194224272 is about 13936.4368473437. The cubic root of 194224272 is about 579.1190271968.

The spelling of 194224272 in words is "one hundred ninety-four million, two hundred twenty-four thousand, two hundred seventy-two".