38228863 has 2 divisors, whose sum is σ = 38228864. Its totient is φ = 38228862.

The previous prime is 38228837. The next prime is 38228867. The reversal of 38228863 is 36882283.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 38228863 - 2⁵ = 38228831 is a prime.

It is a super-2 number, since 2×38228863² = 2922891932545538, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38228867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19114431 + 19114432.

It is an arithmetic number, because the mean of its divisors is an integer number (19114432).

Almost surely, 2^38228863 is an apocalyptic number.

38228863 is a deficient number, since it is larger than the sum of its proper divisors (1).

38228863 is an equidigital number, since it uses as much as digits as its factorization.

38228863 is an evil number, because the sum of its binary digits is even.

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

The square root of 38228863 is about 6182.9493771177. The cubic root of 38228863 is about 336.8711303615.

The spelling of 38228863 in words is "thirty-eight million, two hundred twenty-eight thousand, eight hundred sixty-three".