2221424899 has 2 divisors, whose sum is σ = 2221424900. Its totient is φ = 2221424898.

The previous prime is 2221424869. The next prime is 2221424923. The reversal of 2221424899 is 9984241222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2221424899 - 2¹¹ = 2221422851 is a prime.

It is not a weakly prime, because it can be changed into another prime (2221424809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110712449 + 1110712450.

It is an arithmetic number, because the mean of its divisors is an integer number (1110712450).

Almost surely, 2^2221424899 is an apocalyptic number.

2221424899 is a deficient number, since it is larger than the sum of its proper divisors (1).

2221424899 is an equidigital number, since it uses as much as digits as its factorization.

2221424899 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 165888, while the sum is 43.

The square root of 2221424899 is about 47131.9944305352. The cubic root of 2221424899 is about 1304.7997909760.

The spelling of 2221424899 in words is "two billion, two hundred twenty-one million, four hundred twenty-four thousand, eight hundred ninety-nine".