38228712 has 16 divisors (see below), whose sum is σ = 95571840. Its totient is φ = 12742896.

The previous prime is 38228711. The next prime is 38228731. The reversal of 38228712 is 21782283.

It is a super-2 number, since 2×38228712² = 2922868842357888, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (38228711) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 796408 + ... + 796455.

It is an arithmetic number, because the mean of its divisors is an integer number (5973240).

Almost surely, 2^38228712 is an apocalyptic number.

It is an amenable number.

38228712 is an abundant number, since it is smaller than the sum of its proper divisors (57343128).

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

38228712 is a wasteful number, since it uses less digits than its factorization.

38228712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1592872 (or 1592868 counting only the distinct ones).

The product of its digits is 10752, while the sum is 33.

The square root of 38228712 is about 6182.9371661048. The cubic root of 38228712 is about 336.8706868257.

The spelling of 38228712 in words is "thirty-eight million, two hundred twenty-eight thousand, seven hundred twelve".