2273264 has 20 divisors (see below), whose sum is σ = 5033904. Its totient is φ = 974208.

The previous prime is 2273239. The next prime is 2273267. The reversal of 2273264 is 4623722.

It is a d-powerful number, because it can be written as 2¹¹ + 2¹³ + 7 + 3¹⁰ + 2¹⁹ + 6⁸ + 4³ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2273267) 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, 10037 + ... + 10260.

2^2273264 is an apocalyptic number.

It is an amenable number.

2273264 is an abundant number, since it is smaller than the sum of its proper divisors (2760640).

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

2273264 is a wasteful number, since it uses less digits than its factorization.

2273264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20312 (or 20306 counting only the distinct ones).

The product of its digits is 4032, while the sum is 26.

The square root of 2273264 is about 1507.7347246781. The cubic root of 2273264 is about 131.4871437551.

Adding to 2273264 its reverse (4623722), we get a palindrome (6896986).

The spelling of 2273264 in words is "two million, two hundred seventy-three thousand, two hundred sixty-four".