2244402243 has 16 divisors (see below), whose sum is σ = 3402368640. Its totient is φ = 1461470472.

The previous prime is 2244402221. The next prime is 2244402299. The reversal of 2244402243 is 3422044422.

It is not a de Polignac number, because 2244402243 - 2¹⁰ = 2244401219 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2244442243) 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, 965421 + ... + 967742.

It is an arithmetic number, because the mean of its divisors is an integer number (212648040).

Almost surely, 2^2244402243 is an apocalyptic number.

2244402243 is a deficient number, since it is larger than the sum of its proper divisors (1157966397).

2244402243 is a wasteful number, since it uses less digits than its factorization.

2244402243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1933215 (or 1933209 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 27.

The square root of 2244402243 is about 47375.1226172556. The cubic root of 2244402243 is about 1309.2831077454.

Adding to 2244402243 its reverse (3422044422), we get a palindrome (5666446665).

The spelling of 2244402243 in words is "two billion, two hundred forty-four million, four hundred two thousand, two hundred forty-three".