2543244422 has 8 divisors (see below), whose sum is σ = 3820764816. Its totient is φ = 1269656152.

The previous prime is 2543244409. The next prime is 2543244427. The reversal of 2543244422 is 2244423452.

2543244422 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2543244422² = 12936184380068228168, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2543244427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 981413 + ... + 984000.

It is an arithmetic number, because the mean of its divisors is an integer number (477595602).

Almost surely, 2^2543244422 is an apocalyptic number.

2543244422 is a deficient number, since it is larger than the sum of its proper divisors (1277520394).

2543244422 is a wasteful number, since it uses less digits than its factorization.

2543244422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1966062.

The product of its digits is 61440, while the sum is 32.

The square root of 2543244422 is about 50430.5901413021. The cubic root of 2543244422 is about 1364.9896767815.

Adding to 2543244422 its reverse (2244423452), we get a palindrome (4787667874).

The spelling of 2543244422 in words is "two billion, five hundred forty-three million, two hundred forty-four thousand, four hundred twenty-two".