2264813 has 6 divisors (see below), whose sum is σ = 2346474. Its totient is φ = 2185904.

The previous prime is 2264809. The next prime is 2264827. The reversal of 2264813 is 3184622.

It can be written as a sum of positive squares in 3 ways, for example, as 299209 + 1965604 = 547^2 + 1402^2 .

It is not a de Polignac number, because 2264813 - 2² = 2264809 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2264803) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 506 + ... + 2187.

It is an arithmetic number, because the mean of its divisors is an integer number (391079).

2^2264813 is an apocalyptic number.

It is an amenable number.

2264813 is a deficient number, since it is larger than the sum of its proper divisors (81661).

2264813 is an equidigital number, since it uses as much as digits as its factorization.

2264813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2751 (or 2722 counting only the distinct ones).

The product of its digits is 2304, while the sum is 26.

The square root of 2264813 is about 1504.9295664582. The cubic root of 2264813 is about 131.3240042217.

The spelling of 2264813 in words is "two million, two hundred sixty-four thousand, eight hundred thirteen".