194142224 has 10 divisors (see below), whose sum is σ = 376150590. Its totient is φ = 97071104.

The previous prime is 194142203. The next prime is 194142251. The reversal of 194142224 is 422241491.

It can be written as a sum of positive squares in only one way, i.e., 129049600 + 65092624 = 11360^2 + 8068^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6066929 + ... + 6066960.

It is an arithmetic number, because the mean of its divisors is an integer number (37615059).

Almost surely, 2^194142224 is an apocalyptic number.

It is an amenable number.

194142224 is a deficient number, since it is larger than the sum of its proper divisors (182008366).

194142224 is a wasteful number, since it uses less digits than its factorization.

194142224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12133897 (or 12133891 counting only the distinct ones).

The product of its digits is 4608, while the sum is 29.

The square root of 194142224 is about 13933.4928858488. The cubic root of 194142224 is about 579.0374681313.

The spelling of 194142224 in words is "one hundred ninety-four million, one hundred forty-two thousand, two hundred twenty-four".