194221412 has 24 divisors (see below), whose sum is σ = 423756480. Its totient is φ = 75670560.

The previous prime is 194221393. The next prime is 194221429. The reversal of 194221412 is 214122491.

194221412 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 314987 + ... + 315602.

It is an arithmetic number, because the mean of its divisors is an integer number (17656520).

Almost surely, 2^194221412 is an apocalyptic number.

It is an amenable number.

194221412 is an abundant number, since it is smaller than the sum of its proper divisors (229535068).

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

194221412 is a wasteful number, since it uses less digits than its factorization.

194221412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630611 (or 630609 counting only the distinct ones).

The product of its digits is 1152, while the sum is 26.

The square root of 194221412 is about 13936.3342382421. The cubic root of 194221412 is about 579.1161846263.

The spelling of 194221412 in words is "one hundred ninety-four million, two hundred twenty-one thousand, four hundred twelve".