38185458222 has 16 divisors (see below), whose sum is σ = 79691391360. Its totient is φ = 12175073592.

The previous prime is 38185458209. The next prime is 38185458229. The reversal of 38185458222 is 22285458183.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38185458229) by changing a digit.

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, 138352972 + ... + 138353247.

It is an arithmetic number, because the mean of its divisors is an integer number (4980711960).

Almost surely, 2^38185458222 is an apocalyptic number.

38185458222 is an abundant number, since it is smaller than the sum of its proper divisors (41505933138).

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

38185458222 is a wasteful number, since it uses less digits than its factorization.

38185458222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276706247.

The product of its digits is 1228800, while the sum is 48.

The spelling of 38185458222 in words is "thirty-eight billion, one hundred eighty-five million, four hundred fifty-eight thousand, two hundred twenty-two".