38227897 has 2 divisors, whose sum is σ = 38227898. Its totient is φ = 38227896.

The previous prime is 38227877. The next prime is 38227913. The reversal of 38227897 is 79872283.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29637136 + 8590761 = 5444^2 + 2931^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38227897 is a prime.

It is a super-2 number, since 2×38227897² = 2922744218085218, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (38227877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19113948 + 19113949.

It is an arithmetic number, because the mean of its divisors is an integer number (19113949).

Almost surely, 2^38227897 is an apocalyptic number.

It is an amenable number.

38227897 is a deficient number, since it is larger than the sum of its proper divisors (1).

38227897 is an equidigital number, since it uses as much as digits as its factorization.

38227897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 338688, while the sum is 46.

The square root of 38227897 is about 6182.8712585659. The cubic root of 38227897 is about 336.8682928872.

It can be divided in two parts, 382278 and 97, that added together give a triangular number (382375 = T₈₇₄).

The spelling of 38227897 in words is "thirty-eight million, two hundred twenty-seven thousand, eight hundred ninety-seven".