2272319 has 4 divisors (see below), whose sum is σ = 2596944. Its totient is φ = 1947696.

The previous prime is 2272313. The next prime is 2272321. The reversal of 2272319 is 9132722.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9132722 = 2 ⋅4566361.

It is a cyclic number.

It is not a de Polignac number, because 2272319 - 2¹² = 2268223 is a prime.

It is a super-2 number, since 2×2272319² = 10326867275522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2272313) 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, 162302 + ... + 162315.

It is an arithmetic number, because the mean of its divisors is an integer number (649236).

2^2272319 is an apocalyptic number.

2272319 is a deficient number, since it is larger than the sum of its proper divisors (324625).

2272319 is an equidigital number, since it uses as much as digits as its factorization.

2272319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324624.

The product of its digits is 1512, while the sum is 26.

The square root of 2272319 is about 1507.4213080622. The cubic root of 2272319 is about 131.4689214145.

The spelling of 2272319 in words is "two million, two hundred seventy-two thousand, three hundred nineteen".