194400022 has 16 divisors (see below), whose sum is σ = 297169200. Its totient is φ = 95357952.

The previous prime is 194399987. The next prime is 194400023. The reversal of 194400022 is 220004491.

It is a junction number, because it is equal to n+sod(n) for n = 194399966 and 194400002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194400023) 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, 24729 + ... + 31627.

It is an arithmetic number, because the mean of its divisors is an integer number (18573075).

Almost surely, 2^194400022 is an apocalyptic number.

194400022 is a deficient number, since it is larger than the sum of its proper divisors (102769178).

194400022 is a wasteful number, since it uses less digits than its factorization.

194400022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7167.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 194400022 is about 13942.7408352877. The cubic root of 194400022 is about 579.2936526160.

The spelling of 194400022 in words is "one hundred ninety-four million, four hundred thousand, twenty-two".