37224722449 has 2 divisors, whose sum is σ = 37224722450. Its totient is φ = 37224722448.

The previous prime is 37224722413. The next prime is 37224722459. The reversal of 37224722449 is 94422742273.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26443638225 + 10781084224 = 162615^2 + 103832^2 .

It is an emirp because it is prime and its reverse (94422742273) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 37224722449 - 2²⁵ = 37191168017 is a prime.

It is a super-2 number, since 2×37224722449² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 37224722399 and 37224722408.

It is not a weakly prime, because it can be changed into another prime (37224722459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18612361224 + 18612361225.

It is an arithmetic number, because the mean of its divisors is an integer number (18612361225).

Almost surely, 2^37224722449 is an apocalyptic number.

It is an amenable number.

37224722449 is a deficient number, since it is larger than the sum of its proper divisors (1).

37224722449 is an equidigital number, since it uses as much as digits as its factorization.

37224722449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1354752, while the sum is 46.

The spelling of 37224722449 in words is "thirty-seven billion, two hundred twenty-four million, seven hundred twenty-two thousand, four hundred forty-nine".