2243144 has 32 divisors (see below), whose sum is σ = 4475520. Its totient is φ = 1051776.

The previous prime is 2243123. The next prime is 2243161. The reversal of 2243144 is 4413422.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13349 + ... + 13515.

It is an arithmetic number, because the mean of its divisors is an integer number (139860).

2^2243144 is an apocalyptic number.

It is an amenable number.

2243144 is a deficient number, since it is larger than the sum of its proper divisors (2232376).

2243144 is a wasteful number, since it uses less digits than its factorization.

2243144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269 (or 265 counting only the distinct ones).

The product of its digits is 768, while the sum is 20.

The square root of 2243144 is about 1497.7129230931. The cubic root of 2243144 is about 130.9038394592.

Adding to 2243144 its reverse (4413422), we get a palindrome (6656566).

The spelling of 2243144 in words is "two million, two hundred forty-three thousand, one hundred forty-four".