38223256 has 8 divisors (see below), whose sum is σ = 71668620. Its totient is φ = 19111624.

The previous prime is 38223253. The next prime is 38223277. The reversal of 38223256 is 65232283.

38223256 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×38223256² = 2922034598483072, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38223253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2388946 + ... + 2388961.

Almost surely, 2^38223256 is an apocalyptic number.

It is an amenable number.

38223256 is a deficient number, since it is larger than the sum of its proper divisors (33445364).

38223256 is a wasteful number, since it uses less digits than its factorization.

38223256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4777913 (or 4777909 counting only the distinct ones).

The product of its digits is 17280, while the sum is 31.

The square root of 38223256 is about 6182.4959361087. The cubic root of 38223256 is about 336.8546600070.

The spelling of 38223256 in words is "thirty-eight million, two hundred twenty-three thousand, two hundred fifty-six".