2222187839 has 2 divisors, whose sum is σ = 2222187840. Its totient is φ = 2222187838.

The previous prime is 2222187829. The next prime is 2222187853. The reversal of 2222187839 is 9387812222.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2222187839 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2222187839.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2222187809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1111093919 + 1111093920.

It is an arithmetic number, because the mean of its divisors is an integer number (1111093920).

Almost surely, 2^2222187839 is an apocalyptic number.

2222187839 is a deficient number, since it is larger than the sum of its proper divisors (1).

2222187839 is an equidigital number, since it uses as much as digits as its factorization.

2222187839 is an evil number, because the sum of its binary digits is even.

The product of its digits is 193536, while the sum is 44.

The square root of 2222187839 is about 47140.0873885486. The cubic root of 2222187839 is about 1304.9491500667.

The spelling of 2222187839 in words is "two billion, two hundred twenty-two million, one hundred eighty-seven thousand, eight hundred thirty-nine".