38221741 has 2 divisors, whose sum is σ = 38221742. Its totient is φ = 38221740.

The previous prime is 38221723. The next prime is 38221747. The reversal of 38221741 is 14712283.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33582025 + 4639716 = 5795^2 + 2154^2 .

It is a cyclic number.

It is not a de Polignac number, because 38221741 - 2⁵ = 38221709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38221747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19110870 + 19110871.

It is an arithmetic number, because the mean of its divisors is an integer number (19110871).

Almost surely, 2^38221741 is an apocalyptic number.

It is an amenable number.

38221741 is a deficient number, since it is larger than the sum of its proper divisors (1).

38221741 is an equidigital number, since it uses as much as digits as its factorization.

38221741 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2688, while the sum is 28.

The square root of 38221741 is about 6182.3734115629. The cubic root of 38221741 is about 336.8502094743.

The spelling of 38221741 in words is "thirty-eight million, two hundred twenty-one thousand, seven hundred forty-one".