190422238 has 8 divisors (see below), whose sum is σ = 286380288. Its totient is φ = 94962144.

The previous prime is 190422227. The next prime is 190422259. The reversal of 190422238 is 832224091.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123531 + ... + 125062.

It is an arithmetic number, because the mean of its divisors is an integer number (35797536).

Almost surely, 2^190422238 is an apocalyptic number.

190422238 is a deficient number, since it is larger than the sum of its proper divisors (95958050).

190422238 is a wasteful number, since it uses less digits than its factorization.

190422238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248978.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 190422238 is about 13799.3564342690. The cubic root of 190422238 is about 575.3152529608.

It can be divided in two parts, 1904 and 22238, that added together give a palindrome (24142).

The spelling of 190422238 in words is "one hundred ninety million, four hundred twenty-two thousand, two hundred thirty-eight".