2222819 has 2 divisors, whose sum is σ = 2222820. Its totient is φ = 2222818.

The previous prime is 2222809. The next prime is 2222839. The reversal of 2222819 is 9182222.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2222819 is a prime.

It is a super-2 number, since 2×2222819² = 9881848613522, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2222809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1111409 + 1111410.

It is an arithmetic number, because the mean of its divisors is an integer number (1111410).

2^2222819 is an apocalyptic number.

2222819 is a deficient number, since it is larger than the sum of its proper divisors (1).

2222819 is an equidigital number, since it uses as much as digits as its factorization.

2222819 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1152, while the sum is 26.

The square root of 2222819 is about 1490.9121369148. The cubic root of 2222819 is about 130.5072685235.

The spelling of 2222819 in words is "two million, two hundred twenty-two thousand, eight hundred nineteen".