2163426244 has 36 divisors (see below), whose sum is σ = 4476341100. Its totient is φ = 911977920.

The previous prime is 2163426227. The next prime is 2163426247. The reversal of 2163426244 is 4426243612.

It can be written as a sum of positive squares in 2 ways, for example, as 1186113600 + 977312644 = 34440^2 + 31262^2 .

It is a super-2 number, since 2×2163426244² = 9360826226455895072, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2163426247) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 78519 + ... + 102430.

Almost surely, 2^2163426244 is an apocalyptic number.

It is an amenable number.

2163426244 is an abundant number, since it is smaller than the sum of its proper divisors (2312914856).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2163426244 is a wasteful number, since it uses less digits than its factorization.

2163426244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181028 (or 181019 counting only the distinct ones).

The product of its digits is 55296, while the sum is 34.

The square root of 2163426244 is about 46512.6460653444. The cubic root of 2163426244 is about 1293.3439361857.

Adding to 2163426244 its reverse (4426243612), we get a palindrome (6589669856).

The spelling of 2163426244 in words is "two billion, one hundred sixty-three million, four hundred twenty-six thousand, two hundred forty-four".