2281264 has 20 divisors (see below), whose sum is σ = 4680504. Its totient is φ = 1073408.

The previous prime is 2281249. The next prime is 2281267. The reversal of 2281264 is 4621822.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2281267) 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, 3922 + ... + 4465.

2^2281264 is an apocalyptic number.

It is an amenable number.

2281264 is an abundant number, since it is smaller than the sum of its proper divisors (2399240).

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

2281264 is a wasteful number, since it uses less digits than its factorization.

2281264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8412 (or 8406 counting only the distinct ones).

The product of its digits is 1536, while the sum is 25.

The square root of 2281264 is about 1510.3853812852. The cubic root of 2281264 is about 131.6412049966.

The spelling of 2281264 in words is "two million, two hundred eighty-one thousand, two hundred sixty-four".