194622768 has 30 divisors (see below), whose sum is σ = 544673844. Its totient is φ = 64874208.

The previous prime is 194622761. The next prime is 194622781. The reversal of 194622768 is 867226491.

It is a happy number.

194622768 is a `hidden beast` number, since 19 + 4 + 622 + 7 + 6 + 8 = 666.

194622768 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (194622761) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 675630 + ... + 675917.

Almost surely, 2^194622768 is an apocalyptic number.

194622768 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

194622768 is an abundant number, since it is smaller than the sum of its proper divisors (350051076).

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

194622768 is a wasteful number, since it uses less digits than its factorization.

194622768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1351561 (or 1351552 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 194622768 is about 13950.7264326988. The cubic root of 194622768 is about 579.5148221586.

The spelling of 194622768 in words is "one hundred ninety-four million, six hundred twenty-two thousand, seven hundred sixty-eight".