38422757 has 2 divisors, whose sum is σ = 38422758. Its totient is φ = 38422756.

The previous prime is 38422751. The next prime is 38422777. The reversal of 38422757 is 75722483.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38365636 + 57121 = 6194^2 + 239^2 .

It is an emirp because it is prime and its reverse (75722483) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38422757 - 2¹⁴ = 38406373 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 38422757.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38422751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19211378 + 19211379.

It is an arithmetic number, because the mean of its divisors is an integer number (19211379).

Almost surely, 2^38422757 is an apocalyptic number.

It is an amenable number.

38422757 is a deficient number, since it is larger than the sum of its proper divisors (1).

38422757 is an equidigital number, since it uses as much as digits as its factorization.

38422757 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 94080, while the sum is 38.

The square root of 38422757 is about 6198.6092795078. The cubic root of 38422757 is about 337.4396987831.

The spelling of 38422757 in words is "thirty-eight million, four hundred twenty-two thousand, seven hundred fifty-seven".