38221005481 has 8 divisors (see below), whose sum is σ = 39983258304. Its totient is φ = 36467125200.

The previous prime is 38221005451. The next prime is 38221005533. The reversal of 38221005481 is 18450012283.

It is a happy number.

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 38221005481 - 2⁷ = 38221005353 is a prime.

It is a super-2 number, since 2×38221005481² (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 (38221005401) 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, 2083795 + ... + 2102056.

It is an arithmetic number, because the mean of its divisors is an integer number (4997907288).

Almost surely, 2^38221005481 is an apocalyptic number.

It is an amenable number.

38221005481 is a deficient number, since it is larger than the sum of its proper divisors (1762252823).

38221005481 is a wasteful number, since it uses less digits than its factorization.

38221005481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4186271.

The product of its (nonzero) digits is 15360, while the sum is 34.

The spelling of 38221005481 in words is "thirty-eight billion, two hundred twenty-one million, five thousand, four hundred eighty-one".