2592221 has 2 divisors, whose sum is σ = 2592222. Its totient is φ = 2592220.

The previous prime is 2592209. The next prime is 2592229. The reversal of 2592221 is 1222952.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2592100 + 121 = 1610^2 + 11^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2592221 is a prime.

It is a Chen prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2592229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1296110 + 1296111.

It is an arithmetic number, because the mean of its divisors is an integer number (1296111).

2^2592221 is an apocalyptic number.

It is an amenable number.

2592221 is a deficient number, since it is larger than the sum of its proper divisors (1).

2592221 is an equidigital number, since it uses as much as digits as its factorization.

2592221 is an evil number, because the sum of its binary digits is even.

The product of its digits is 720, while the sum is 23.

The square root of 2592221 is about 1610.0375772012. The cubic root of 2592221 is about 137.3696130363.

The spelling of 2592221 in words is "two million, five hundred ninety-two thousand, two hundred twenty-one".