194213256 has 32 divisors (see below), whose sum is σ = 486907200. Its totient is φ = 64554560.

The previous prime is 194213251. The next prime is 194213281. The reversal of 194213256 is 652312491.

194213256 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×194213256² = 75437577612243072, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (194213251) 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, 2655 + ... + 19886.

It is an arithmetic number, because the mean of its divisors is an integer number (15215850).

Almost surely, 2^194213256 is an apocalyptic number.

It is an amenable number.

194213256 is an abundant number, since it is smaller than the sum of its proper divisors (292693944).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

194213256 is a wasteful number, since it uses less digits than its factorization.

194213256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22909 (or 22905 counting only the distinct ones).

The product of its digits is 12960, while the sum is 33.

The square root of 194213256 is about 13936.0416187668. The cubic root of 194213256 is about 579.1080781776.

The spelling of 194213256 in words is "one hundred ninety-four million, two hundred thirteen thousand, two hundred fifty-six".