38422731 has 8 divisors (see below), whose sum is σ = 53926720. Its totient is φ = 24266952.

The previous prime is 38422717. The next prime is 38422751. The reversal of 38422731 is 13722483.

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

It is not a de Polignac number, because 38422731 - 2⁶ = 38422667 is a prime.

It is a super-2 number, since 2×38422731² = 2952612514996722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38422711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 336985 + ... + 337098.

It is an arithmetic number, because the mean of its divisors is an integer number (6740840).

Almost surely, 2^38422731 is an apocalyptic number.

38422731 is a deficient number, since it is larger than the sum of its proper divisors (15503989).

38422731 is a wasteful number, since it uses less digits than its factorization.

38422731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674105.

The product of its digits is 8064, while the sum is 30.

The square root of 38422731 is about 6198.6071822628. The cubic root of 38422731 is about 337.4396226699.

The spelling of 38422731 in words is "thirty-eight million, four hundred twenty-two thousand, seven hundred thirty-one".