38242279 has 2 divisors, whose sum is σ = 38242280. Its totient is φ = 38242278.

The previous prime is 38242249. The next prime is 38242289. The reversal of 38242279 is 97224283.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 38242279 - 2⁵ = 38242247 is a prime.

It is a super-2 number, since 2×38242279² = 2924943806227682, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38242219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19121139 + 19121140.

It is an arithmetic number, because the mean of its divisors is an integer number (19121140).

Almost surely, 2^38242279 is an apocalyptic number.

38242279 is a deficient number, since it is larger than the sum of its proper divisors (1).

38242279 is an equidigital number, since it uses as much as digits as its factorization.

38242279 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48384, while the sum is 37.

The square root of 38242279 is about 6184.0342010697. The cubic root of 38242279 is about 336.9105328282.

The spelling of 38242279 in words is "thirty-eight million, two hundred forty-two thousand, two hundred seventy-nine".