4420990237 has 2 divisors, whose sum is σ = 4420990238. Its totient is φ = 4420990236.

The previous prime is 4420990219. The next prime is 4420990247. The reversal of 4420990237 is 7320990244.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4332140761 + 88849476 = 65819^2 + 9426^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4420990237 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4420990237.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4420990247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2210495118 + 2210495119.

It is an arithmetic number, because the mean of its divisors is an integer number (2210495119).

Almost surely, 2^4420990237 is an apocalyptic number.

It is an amenable number.

4420990237 is a deficient number, since it is larger than the sum of its proper divisors (1).

4420990237 is an equidigital number, since it uses as much as digits as its factorization.

4420990237 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108864, while the sum is 40.

The square root of 4420990237 is about 66490.5274230849. The cubic root of 4420990237 is about 1641.2441279535.

The spelling of 4420990237 in words is "four billion, four hundred twenty million, nine hundred ninety thousand, two hundred thirty-seven".