38225893 has 2 divisors, whose sum is σ = 38225894. Its totient is φ = 38225892.

The previous prime is 38225851. The next prime is 38225897. The reversal of 38225893 is 39852283.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23648769 + 14577124 = 4863^2 + 3818^2 .

It is an emirp because it is prime and its reverse (39852283) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38225893 - 2⁹ = 38225381 is a prime.

It is a super-2 number, since 2×38225893² = 2922437791294898, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38225897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19112946 + 19112947.

It is an arithmetic number, because the mean of its divisors is an integer number (19112947).

Almost surely, 2^38225893 is an apocalyptic number.

It is an amenable number.

38225893 is a deficient number, since it is larger than the sum of its proper divisors (1).

38225893 is an equidigital number, since it uses as much as digits as its factorization.

38225893 is an evil number, because the sum of its binary digits is even.

The product of its digits is 103680, while the sum is 40.

The square root of 38225893 is about 6182.7091958138. The cubic root of 38225893 is about 336.8624062973.

The spelling of 38225893 in words is "thirty-eight million, two hundred twenty-five thousand, eight hundred ninety-three".