38922231 has 12 divisors (see below), whose sum is σ = 55129832. Its totient is φ = 24421248.

The previous prime is 38922229. The next prime is 38922239. The reversal of 38922231 is 13222983.

It is a happy number.

It is not a de Polignac number, because 38922231 - 2¹ = 38922229 is a prime.

It is a super-2 number, since 2×38922231² = 3029880132034722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38922239) 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 11 ways as a sum of consecutive naturals, for example, 21580 + ... + 23313.

Almost surely, 2^38922231 is an apocalyptic number.

38922231 is a deficient number, since it is larger than the sum of its proper divisors (16207601).

38922231 is a wasteful number, since it uses less digits than its factorization.

38922231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44930 (or 44913 counting only the distinct ones).

The product of its digits is 5184, while the sum is 30.

The square root of 38922231 is about 6238.7683880715. The cubic root of 38922231 is about 338.8955830901.

The spelling of 38922231 in words is "thirty-eight million, nine hundred twenty-two thousand, two hundred thirty-one".