2211273 has 8 divisors (see below), whose sum is σ = 3276000. Its totient is φ = 1474164.

The previous prime is 2211269. The next prime is 2211281. The reversal of 2211273 is 3721122.

It is not a de Polignac number, because 2211273 - 2² = 2211269 is a prime.

It is an Ulam number.

2211273 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2211233) 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, 40923 + ... + 40976.

It is an arithmetic number, because the mean of its divisors is an integer number (409500).

2^2211273 is an apocalyptic number.

It is an amenable number.

2211273 is a deficient number, since it is larger than the sum of its proper divisors (1064727).

2211273 is an equidigital number, since it uses as much as digits as its factorization.

2211273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81908 (or 81902 counting only the distinct ones).

The product of its digits is 168, while the sum is 18.

The square root of 2211273 is about 1487.0349693265. The cubic root of 2211273 is about 130.2809112916.

Adding to 2211273 its reverse (3721122), we get a palindrome (5932395).

The spelling of 2211273 in words is "two million, two hundred eleven thousand, two hundred seventy-three".