38228963 has 2 divisors, whose sum is σ = 38228964. Its totient is φ = 38228962.

The previous prime is 38228959. The next prime is 38228987. The reversal of 38228963 is 36982283.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 38228963 - 2² = 38228959 is a prime.

It is a super-2 number, since 2×38228963² = 2922907224110738, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 38228963.

It is not a weakly prime, because it can be changed into another prime (38228863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19114481 + 19114482.

It is an arithmetic number, because the mean of its divisors is an integer number (19114482).

Almost surely, 2^38228963 is an apocalyptic number.

38228963 is a deficient number, since it is larger than the sum of its proper divisors (1).

38228963 is an equidigital number, since it uses as much as digits as its factorization.

38228963 is an evil number, because the sum of its binary digits is even.

The product of its digits is 124416, while the sum is 41.

The square root of 38228963 is about 6182.9574638679. The cubic root of 38228963 is about 336.8714240932.

The spelling of 38228963 in words is "thirty-eight million, two hundred twenty-eight thousand, nine hundred sixty-three".