190304227238 has 16 divisors (see below), whose sum is σ = 293352975216. Its totient is φ = 92534732160.

The previous prime is 190304227213. The next prime is 190304227247. The reversal of 190304227238 is 832722403091.

It is a super-2 number, since 2×190304227238² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 190304227195 and 190304227204.

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 7 ways as a sum of consecutive naturals, for example, 3681656 + ... + 3732987.

It is an arithmetic number, because the mean of its divisors is an integer number (18334560951).

Almost surely, 2^190304227238 is an apocalyptic number.

190304227238 is a deficient number, since it is larger than the sum of its proper divisors (103048747978).

190304227238 is a wasteful number, since it uses less digits than its factorization.

190304227238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7414999.

The product of its (nonzero) digits is 145152, while the sum is 41.

The spelling of 190304227238 in words is "one hundred ninety billion, three hundred four million, two hundred twenty-seven thousand, two hundred thirty-eight".