2790223 has 2 divisors, whose sum is σ = 2790224. Its totient is φ = 2790222.

The previous prime is 2790209. The next prime is 2790233. The reversal of 2790223 is 3220972.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2790223 - 2⁵ = 2790191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2790233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1395111 + 1395112.

It is an arithmetic number, because the mean of its divisors is an integer number (1395112).

2^2790223 is an apocalyptic number.

2790223 is a deficient number, since it is larger than the sum of its proper divisors (1).

2790223 is an equidigital number, since it uses as much as digits as its factorization.

2790223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 2790223 is about 1670.3960608191. The cubic root of 2790223 is about 140.7817322794.

It can be divided in two parts, 2790 and 223, that multiplied together give a triangular number (622170 = T₁₁₁₅).

The spelling of 2790223 in words is "two million, seven hundred ninety thousand, two hundred twenty-three".