2144722475 has 24 divisors (see below), whose sum is σ = 3041114880. Its totient is φ = 1469826720.

The previous prime is 2144722441. The next prime is 2144722483. The reversal of 2144722475 is 5742274412.

It is not a de Polignac number, because 2144722475 - 2²² = 2140528171 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 604256 + ... + 607794.

It is an arithmetic number, because the mean of its divisors is an integer number (126713120).

Almost surely, 2^2144722475 is an apocalyptic number.

2144722475 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2144722475 is a deficient number, since it is larger than the sum of its proper divisors (896392405).

2144722475 is a wasteful number, since it uses less digits than its factorization.

2144722475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7019 (or 7014 counting only the distinct ones).

The product of its digits is 125440, while the sum is 38.

The square root of 2144722475 is about 46311.1484957996. The cubic root of 2144722475 is about 1289.6059680308.

Adding to 2144722475 its reverse (5742274412), we get a palindrome (7886996887).

The spelling of 2144722475 in words is "two billion, one hundred forty-four million, seven hundred twenty-two thousand, four hundred seventy-five".