38939222 has 24 divisors (see below), whose sum is σ = 68888376. Its totient is φ = 16456608.

The previous prime is 38939221. The next prime is 38939249. The reversal of 38939222 is 22293983.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38939221) 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 11 ways as a sum of consecutive naturals, for example, 4433 + ... + 9875.

It is an arithmetic number, because the mean of its divisors is an integer number (2870349).

Almost surely, 2^38939222 is an apocalyptic number.

38939222 is a deficient number, since it is larger than the sum of its proper divisors (29949154).

38939222 is a wasteful number, since it uses less digits than its factorization.

38939222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5532 (or 5525 counting only the distinct ones).

The product of its digits is 46656, while the sum is 38.

The square root of 38939222 is about 6240.1299665952. The cubic root of 38939222 is about 338.9448894207.

The spelling of 38939222 in words is "thirty-eight million, nine hundred thirty-nine thousand, two hundred twenty-two".