2273637 has 4 divisors (see below), whose sum is σ = 3031520. Its totient is φ = 1515756.

The previous prime is 2273603. The next prime is 2273651. The reversal of 2273637 is 7363722.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2273637 - 2²⁰ = 1225061 is a prime.

It is an Ulam number.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2271637) 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, 378937 + ... + 378942.

It is an arithmetic number, because the mean of its divisors is an integer number (757880).

2^2273637 is an apocalyptic number.

It is an amenable number.

2273637 is a deficient number, since it is larger than the sum of its proper divisors (757883).

2273637 is an equidigital number, since it uses as much as digits as its factorization.

2273637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 757882.

The product of its digits is 10584, while the sum is 30.

The square root of 2273637 is about 1507.8584151040. The cubic root of 2273637 is about 131.4943348868.

The spelling of 2273637 in words is "two million, two hundred seventy-three thousand, six hundred thirty-seven".