194225564 has 24 divisors (see below), whose sum is σ = 366674448. Its totient is φ = 89487360.

The previous prime is 194225491. The next prime is 194225567. The reversal of 194225564 is 465522491.

It is a happy number.

It is a super-2 number, since 2×194225564² = 75447139422236192, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194225567) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30419 + ... + 36245.

It is an arithmetic number, because the mean of its divisors is an integer number (15278102).

Almost surely, 2^194225564 is an apocalyptic number.

It is an amenable number.

194225564 is a deficient number, since it is larger than the sum of its proper divisors (172448884).

194225564 is a wasteful number, since it uses less digits than its factorization.

194225564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6485 (or 6483 counting only the distinct ones).

The product of its digits is 86400, while the sum is 38.

The square root of 194225564 is about 13936.4832005783. The cubic root of 194225564 is about 579.1203113139.

The spelling of 194225564 in words is "one hundred ninety-four million, two hundred twenty-five thousand, five hundred sixty-four".