2272223 has 2 divisors, whose sum is σ = 2272224. Its totient is φ = 2272222.

The previous prime is 2272219. The next prime is 2272241. The reversal of 2272223 is 3222722.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2272223 - 2² = 2272219 is a prime.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 2272195 and 2272204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2272253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1136111 + 1136112.

It is an arithmetic number, because the mean of its divisors is an integer number (1136112).

2^2272223 is an apocalyptic number.

2272223 is a deficient number, since it is larger than the sum of its proper divisors (1).

2272223 is an equidigital number, since it uses as much as digits as its factorization.

2272223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 672, while the sum is 20.

The square root of 2272223 is about 1507.3894652677. The cubic root of 2272223 is about 131.4670699735.

Adding to 2272223 its reverse (3222722), we get a palindrome (5494945).

It can be divided in two parts, 2 and 272223, that multiplied together give a triangular number (544446 = T₁₀₄₃).

The spelling of 2272223 in words is "two million, two hundred seventy-two thousand, two hundred twenty-three".