38228072 has 16 divisors (see below), whose sum is σ = 73426500. Its totient is φ = 18647680.

The previous prime is 38228059. The next prime is 38228101. The reversal of 38228072 is 27082283.

It can be written as a sum of positive squares in 2 ways, for example, as 34409956 + 3818116 = 5866^2 + 1954^2 .

It is a super-2 number, since 2×38228072² = 2922770977674368, which contains 22 as substring.

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, 57947 + ... + 58602.

Almost surely, 2^38228072 is an apocalyptic number.

It is an amenable number.

38228072 is a deficient number, since it is larger than the sum of its proper divisors (35198428).

38228072 is a wasteful number, since it uses less digits than its factorization.

38228072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116596 (or 116592 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 38228072 is about 6182.8854105506. The cubic root of 38228072 is about 336.8688069259.

The spelling of 38228072 in words is "thirty-eight million, two hundred twenty-eight thousand, seventy-two".