2243172426 has 32 divisors (see below), whose sum is σ = 4908765888. Its totient is φ = 677725440.

The previous prime is 2243172413. The next prime is 2243172427. The reversal of 2243172426 is 6242713422.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (2243172427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28185 + ... + 72668.

It is an arithmetic number, because the mean of its divisors is an integer number (153398934).

Almost surely, 2^2243172426 is an apocalyptic number.

2243172426 is an abundant number, since it is smaller than the sum of its proper divisors (2665593462).

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

2243172426 is a wasteful number, since it uses less digits than its factorization.

2243172426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101206.

The product of its digits is 32256, while the sum is 33.

The square root of 2243172426 is about 47362.1412733842. The cubic root of 2243172426 is about 1309.0439241177.

Adding to 2243172426 its reverse (6242713422), we get a palindrome (8485885848).

The spelling of 2243172426 in words is "two billion, two hundred forty-three million, one hundred seventy-two thousand, four hundred twenty-six".