38722529 has 2 divisors, whose sum is σ = 38722530. Its totient is φ = 38722528.

The previous prime is 38722507. The next prime is 38722543. The reversal of 38722529 is 92522783.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28944400 + 9778129 = 5380^2 + 3127^2 .

It is a cyclic number.

It is not a de Polignac number, because 38722529 - 2⁸ = 38722273 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 38722492 and 38722501.

It is not a weakly prime, because it can be changed into another prime (38722559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19361264 + 19361265.

It is an arithmetic number, because the mean of its divisors is an integer number (19361265).

Almost surely, 2^38722529 is an apocalyptic number.

It is an amenable number.

38722529 is a deficient number, since it is larger than the sum of its proper divisors (1).

38722529 is an equidigital number, since it uses as much as digits as its factorization.

38722529 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60480, while the sum is 38.

The square root of 38722529 is about 6222.7428839701. The cubic root of 38722529 is about 338.3149876943.

The spelling of 38722529 in words is "thirty-eight million, seven hundred twenty-two thousand, five hundred twenty-nine".