2292813 has 8 divisors (see below), whose sum is σ = 3396800. Its totient is φ = 1528524.

The previous prime is 2292809. The next prime is 2292859. The reversal of 2292813 is 3182922.

It is a happy number.

It is not a de Polignac number, because 2292813 - 2² = 2292809 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 84919 = 2292813 / (2 + 2 + 9 + 2 + 8 + 1 + 3).

It is a d-powerful number, because it can be written as 2¹¹ + 2¹³ + 9² + 2¹³ + 8⁷ + 1 + 3¹¹ .

It is a Duffinian number.

2292813 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2292413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42433 + ... + 42486.

It is an arithmetic number, because the mean of its divisors is an integer number (424600).

2^2292813 is an apocalyptic number.

It is an amenable number.

2292813 is a deficient number, since it is larger than the sum of its proper divisors (1103987).

2292813 is an equidigital number, since it uses as much as digits as its factorization.

2292813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84928 (or 84922 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 2292813 is about 1514.2037511511. The cubic root of 2292813 is about 131.8629776481.

The spelling of 2292813 in words is "two million, two hundred ninety-two thousand, eight hundred thirteen".