38221443331 has 8 divisors (see below), whose sum is σ = 38274312384. Its totient is φ = 38168612160.

The previous prime is 38221443329. The next prime is 38221443343. The reversal of 38221443331 is 13334412283.

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

It is a cyclic number.

It is not a de Polignac number, because 38221443331 - 2¹ = 38221443329 is a prime.

It is a super-2 number, since 2×38221443331² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38221443031) 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, 2420895 + ... + 2436631.

It is an arithmetic number, because the mean of its divisors is an integer number (4784289048).

Almost surely, 2^38221443331 is an apocalyptic number.

38221443331 is a deficient number, since it is larger than the sum of its proper divisors (52869053).

38221443331 is a wasteful number, since it uses less digits than its factorization.

38221443331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18941.

The product of its digits is 41472, while the sum is 34.

The spelling of 38221443331 in words is "thirty-eight billion, two hundred twenty-one million, four hundred forty-three thousand, three hundred thirty-one".