194225529 has 16 divisors (see below), whose sum is σ = 262828800. Its totient is φ = 127560576.

The previous prime is 194225491. The next prime is 194225567. The reversal of 194225529 is 925522491.

It is an interprime number because it is at equal distance from previous prime (194225491) and next prime (194225567).

It is a de Polignac number, because none of the positive numbers 2^k-194225529 is a prime.

It is a super-2 number, since 2×194225529² = 75447112230659682, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (194225729) 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, 191227 + ... + 192239.

It is an arithmetic number, because the mean of its divisors is an integer number (16426800).

Almost surely, 2^194225529 is an apocalyptic number.

It is an amenable number.

194225529 is a deficient number, since it is larger than the sum of its proper divisors (68603271).

194225529 is a wasteful number, since it uses less digits than its factorization.

194225529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1904.

The product of its digits is 64800, while the sum is 39.

The square root of 194225529 is about 13936.4819448812. The cubic root of 194225529 is about 579.1202765275.

The spelling of 194225529 in words is "one hundred ninety-four million, two hundred twenty-five thousand, five hundred twenty-nine".