38223688 has 8 divisors (see below), whose sum is σ = 71669430. Its totient is φ = 19111840.

The previous prime is 38223683. The next prime is 38223697. The reversal of 38223688 is 88632283.

38223688 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 31158724 + 7064964 = 5582^2 + 2658^2 .

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

It is a super-2 number, since 2×38223688² = 2922100648642688, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 38223688.

It is not an unprimeable number, because it can be changed into a prime (38223683) 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, 2388973 + ... + 2388988.

Almost surely, 2^38223688 is an apocalyptic number.

It is an amenable number.

38223688 is a deficient number, since it is larger than the sum of its proper divisors (33445742).

38223688 is a wasteful number, since it uses less digits than its factorization.

38223688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4777967 (or 4777963 counting only the distinct ones).

The product of its digits is 110592, while the sum is 40.

The square root of 38223688 is about 6182.5308733560. The cubic root of 38223688 is about 336.8559290482.

The spelling of 38223688 in words is "thirty-eight million, two hundred twenty-three thousand, six hundred eighty-eight".