2287997822 has 16 divisors (see below), whose sum is σ = 3941049600. Its totient is φ = 985262040.

The previous prime is 2287997809. The next prime is 2287997839.

It is a happy number.

2287997822 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2736422 + ... + 2737257.

It is an arithmetic number, because the mean of its divisors is an integer number (246315600).

Almost surely, 2^2287997822 is an apocalyptic number.

2287997822 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2287997822 is a deficient number, since it is larger than the sum of its proper divisors (1653051778).

2287997822 is a wasteful number, since it uses less digits than its factorization.

2287997822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5473711.

The product of its digits is 4064256, while the sum is 56.

The square root of 2287997822 is about 47833.0202057115. The cubic root of 2287997822 is about 1317.7060367870.

The spelling of 2287997822 in words is "two billion, two hundred eighty-seven million, nine hundred ninety-seven thousand, eight hundred twenty-two".