38226664 has 32 divisors (see below), whose sum is σ = 83592000. Its totient is φ = 16381680.

The previous prime is 38226653. The next prime is 38226673. The reversal of 38226664 is 46662283.

It is a super-2 number, since 2×38226664² = 2922555681137792, which contains 22 as substring.

It is a nialpdrome in base 14.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4222 + ... + 9709.

It is an arithmetic number, because the mean of its divisors is an integer number (2612250).

Almost surely, 2^38226664 is an apocalyptic number.

It is an amenable number.

38226664 is an abundant number, since it is smaller than the sum of its proper divisors (45365336).

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

38226664 is a wasteful number, since it uses less digits than its factorization.

38226664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13958 (or 13940 counting only the distinct ones).

The product of its digits is 82944, while the sum is 37.

The square root of 38226664 is about 6182.7715468065. The cubic root of 38226664 is about 336.8646710725.

The spelling of 38226664 in words is "thirty-eight million, two hundred twenty-six thousand, six hundred sixty-four".