194225569 has 8 divisors (see below), whose sum is σ = 199567368. Its totient is φ = 188912640.

The previous prime is 194225567. The next prime is 194225597. The reversal of 194225569 is 965522491.

194225569 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 18318400 + 175907169 = 4280^2 + 13263^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 194225569 - 2¹ = 194225567 is a prime.

It is a super-2 number, since 2×194225569² = 75447143306747522, which contains 22 as substring.

It is a Duffinian 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, 6789 + ... + 20845.

It is an arithmetic number, because the mean of its divisors is an integer number (24945921).

Almost surely, 2^194225569 is an apocalyptic number.

It is an amenable number.

194225569 is a deficient number, since it is larger than the sum of its proper divisors (5341799).

194225569 is a wasteful number, since it uses less digits than its factorization.

194225569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14435.

The product of its digits is 194400, while the sum is 43.

The square root of 194225569 is about 13936.4833799635. The cubic root of 194225569 is about 579.1203162833.

The spelling of 194225569 in words is "one hundred ninety-four million, two hundred twenty-five thousand, five hundred sixty-nine".