38442221198 has 4 divisors (see below), whose sum is σ = 57663331800. Its totient is φ = 19221110598.

The previous prime is 38442221173. The next prime is 38442221231. The reversal of 38442221198 is 89112224483.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9610555298 + ... + 9610555301.

It is an arithmetic number, because the mean of its divisors is an integer number (14415832950).

Almost surely, 2^38442221198 is an apocalyptic number.

38442221198 is a deficient number, since it is larger than the sum of its proper divisors (19221110602).

38442221198 is a wasteful number, since it uses less digits than its factorization.

38442221198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19221110601.

The product of its digits is 221184, while the sum is 44.

The spelling of 38442221198 in words is "thirty-eight billion, four hundred forty-two million, two hundred twenty-one thousand, one hundred ninety-eight".