38224513 has 2 divisors, whose sum is σ = 38224514. Its totient is φ = 38224512.

The previous prime is 38224493. The next prime is 38224541. The reversal of 38224513 is 31542283.

It is an a-pointer prime, because the next prime (38224541) can be obtained adding 38224513 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27804529 + 10419984 = 5273^2 + 3228^2 .

It is a cyclic number.

It is not a de Polignac number, because 38224513 - 2⁵ = 38224481 is a prime.

It is a super-2 number, since 2×38224513² = 2922226788174338, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (38227513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19112256 + 19112257.

It is an arithmetic number, because the mean of its divisors is an integer number (19112257).

Almost surely, 2^38224513 is an apocalyptic number.

It is an amenable number.

38224513 is a deficient number, since it is larger than the sum of its proper divisors (1).

38224513 is an equidigital number, since it uses as much as digits as its factorization.

38224513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5760, while the sum is 28.

The square root of 38224513 is about 6182.5975932451. The cubic root of 38224513 is about 336.8583525379.

Adding to 38224513 its reverse (31542283), we get a palindrome (69766796).

The spelling of 38224513 in words is "thirty-eight million, two hundred twenty-four thousand, five hundred thirteen".