38228042 has 4 divisors (see below), whose sum is σ = 57342066. Its totient is φ = 19114020.

The previous prime is 38228041. The next prime is 38228051. The reversal of 38228042 is 24082283.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24082283 = 47 ⋅512389.

It can be written as a sum of positive squares in only one way, i.e., 28185481 + 10042561 = 5309^2 + 3169^2 .

It is a super-2 number, since 2×38228042² = 2922766390307528, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 38227996 and 38228014.

It is not an unprimeable number, because it can be changed into a prime (38228041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9557009 + ... + 9557012.

Almost surely, 2^38228042 is an apocalyptic number.

38228042 is a deficient number, since it is larger than the sum of its proper divisors (19114024).

38228042 is a wasteful number, since it uses less digits than its factorization.

38228042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19114023.

The product of its (nonzero) digits is 6144, while the sum is 29.

The square root of 38228042 is about 6182.8829844984. The cubic root of 38228042 is about 336.8687188051.

The spelling of 38228042 in words is "thirty-eight million, two hundred twenty-eight thousand, forty-two".