38390022 has 48 divisors (see below), whose sum is σ = 92972880. Its totient is φ = 11347200.

The previous prime is 38390017. The next prime is 38390039. The reversal of 38390022 is 22009383.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5754 + ... + 10482.

It is an arithmetic number, because the mean of its divisors is an integer number (1936935).

Almost surely, 2^38390022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38390022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46486440).

38390022 is an abundant number, since it is smaller than the sum of its proper divisors (54582858).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38390022 is a wasteful number, since it uses less digits than its factorization.

38390022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4789 (or 4786 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 38390022 is about 6195.9682052122. The cubic root of 38390022 is about 337.3438421618.

The spelling of 38390022 in words is "thirty-eight million, three hundred ninety thousand, twenty-two".