194229967 has 2 divisors, whose sum is σ = 194229968. Its totient is φ = 194229966.

The previous prime is 194229961. The next prime is 194230007. The reversal of 194229967 is 769922491.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-194229967 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 194229967.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (194229961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97114983 + 97114984.

It is an arithmetic number, because the mean of its divisors is an integer number (97114984).

Almost surely, 2^194229967 is an apocalyptic number.

194229967 is a deficient number, since it is larger than the sum of its proper divisors (1).

194229967 is an equidigital number, since it uses as much as digits as its factorization.

194229967 is an evil number, because the sum of its binary digits is even.

The product of its digits is 489888, while the sum is 49.

The square root of 194229967 is about 13936.6411663643. The cubic root of 194229967 is about 579.1246874070.

The spelling of 194229967 in words is "one hundred ninety-four million, two hundred twenty-nine thousand, nine hundred sixty-seven".