194224845 has 16 divisors (see below), whose sum is σ = 312500160. Its totient is φ = 103006464.

The previous prime is 194224843. The next prime is 194224879. The reversal of 194224845 is 548422491.

It is not a de Polignac number, because 194224845 - 2¹ = 194224843 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194224843) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33484 + ... + 38853.

It is an arithmetic number, because the mean of its divisors is an integer number (19531260).

Almost surely, 2^194224845 is an apocalyptic number.

194224845 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

194224845 is a deficient number, since it is larger than the sum of its proper divisors (118275315).

194224845 is a wasteful number, since it uses less digits than its factorization.

194224845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72524.

The product of its digits is 92160, while the sum is 39.

The square root of 194224845 is about 13936.4574049505. The cubic root of 194224845 is about 579.1195967014.

The spelling of 194224845 in words is "one hundred ninety-four million, two hundred twenty-four thousand, eight hundred forty-five".