38223916 has 12 divisors (see below), whose sum is σ = 67210360. Its totient is φ = 19020960.

The previous prime is 38223893. The next prime is 38223929. The reversal of 38223916 is 61932283.

It is a happy number.

It is a super-2 number, since 2×38223916² = 2922135508750112, which contains 22 as substring.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21801 + ... + 23488.

Almost surely, 2^38223916 is an apocalyptic number.

It is an amenable number.

38223916 is a deficient number, since it is larger than the sum of its proper divisors (28986444).

38223916 is a wasteful number, since it uses less digits than its factorization.

38223916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45504 (or 45502 counting only the distinct ones).

The product of its digits is 15552, while the sum is 34.

The square root of 38223916 is about 6182.5493123792. The cubic root of 38223916 is about 336.8565988161.

The spelling of 38223916 in words is "thirty-eight million, two hundred twenty-three thousand, nine hundred sixteen".