37722240019 has 2 divisors, whose sum is σ = 37722240020. Its totient is φ = 37722240018.

The previous prime is 37722239999. The next prime is 37722240067. The reversal of 37722240019 is 91004222773.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 37722240019 - 2⁹ = 37722239507 is a prime.

It is a super-2 number, since 2×37722240019² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 37722240019.

It is not a weakly prime, because it can be changed into another prime (37722240319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18861120009 + 18861120010.

It is an arithmetic number, because the mean of its divisors is an integer number (18861120010).

Almost surely, 2^37722240019 is an apocalyptic number.

37722240019 is a deficient number, since it is larger than the sum of its proper divisors (1).

37722240019 is an equidigital number, since it uses as much as digits as its factorization.

37722240019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42336, while the sum is 37.

It can be divided in two parts, 377222 and 40019, that added together give a triangular number (417241 = T₉₁₃).

The spelling of 37722240019 in words is "thirty-seven billion, seven hundred twenty-two million, two hundred forty thousand, nineteen".