2542223 has 2 divisors, whose sum is σ = 2542224. Its totient is φ = 2542222.

The previous prime is 2542201. The next prime is 2542229. The reversal of 2542223 is 3222452.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2542223 - 2⁸ = 2541967 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 2542195 and 2542204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2542229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1271111 + 1271112.

It is an arithmetic number, because the mean of its divisors is an integer number (1271112).

2^2542223 is an apocalyptic number.

2542223 is a deficient number, since it is larger than the sum of its proper divisors (1).

2542223 is an equidigital number, since it uses as much as digits as its factorization.

2542223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 960, while the sum is 20.

The square root of 2542223 is about 1594.4350096508. The cubic root of 2542223 is about 136.4806915847.

Adding to 2542223 its reverse (3222452), we get a palindrome (5764675).

The spelling of 2542223 in words is "two million, five hundred forty-two thousand, two hundred twenty-three".