2273144 has 16 divisors (see below), whose sum is σ = 4293000. Its totient is φ = 1128352.

The previous prime is 2273143. The next prime is 2273153. The reversal of 2273144 is 4413722.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2273143) 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, 239 + ... + 2145.

2^2273144 is an apocalyptic number.

It is an amenable number.

2273144 is a deficient number, since it is larger than the sum of its proper divisors (2019856).

2273144 is a wasteful number, since it uses less digits than its factorization.

2273144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2062 (or 2058 counting only the distinct ones).

The product of its digits is 1344, while the sum is 23.

The square root of 2273144 is about 1507.6949293541. The cubic root of 2273144 is about 131.4848300871.

Adding to 2273144 its reverse (4413722), we get a palindrome (6686866).

The spelling of 2273144 in words is "two million, two hundred seventy-three thousand, one hundred forty-four".