2222881919 has 2 divisors, whose sum is σ = 2222881920. Its totient is φ = 2222881918.

The previous prime is 2222881909. The next prime is 2222881931. The reversal of 2222881919 is 9191882222.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2222881919 is a prime.

It is a super-2 number, since 2×2222881919² = 9882408051634245122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2222881919.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2222881909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1111440959 + 1111440960.

It is an arithmetic number, because the mean of its divisors is an integer number (1111440960).

Almost surely, 2^2222881919 is an apocalyptic number.

2222881919 is a deficient number, since it is larger than the sum of its proper divisors (1).

2222881919 is an equidigital number, since it uses as much as digits as its factorization.

2222881919 is an evil number, because the sum of its binary digits is even.

The product of its digits is 82944, while the sum is 44.

The square root of 2222881919 is about 47147.4487008576. The cubic root of 2222881919 is about 1305.0849988920.

The spelling of 2222881919 in words is "two billion, two hundred twenty-two million, eight hundred eighty-one thousand, nine hundred nineteen".