11322257 has 2 divisors, whose sum is σ = 11322258. Its totient is φ = 11322256.

The previous prime is 11322251. The next prime is 11322319. The reversal of 11322257 is 75222311.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7639696 + 3682561 = 2764^2 + 1919^2 .

It is a cyclic number.

It is not a de Polignac number, because 11322257 - 2⁶ = 11322193 is a prime.

It is not a weakly prime, because it can be changed into another prime (11322251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5661128 + 5661129.

It is an arithmetic number, because the mean of its divisors is an integer number (5661129).

Almost surely, 2^11322257 is an apocalyptic number.

It is an amenable number.

11322257 is a deficient number, since it is larger than the sum of its proper divisors (1).

11322257 is an equidigital number, since it uses as much as digits as its factorization.

11322257 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 840, while the sum is 23.

The square root of 11322257 is about 3364.8561633449. The cubic root of 11322257 is about 224.5489366752.

Adding to 11322257 its reverse (75222311), we get a palindrome (86544568).

The spelling of 11322257 in words is "eleven million, three hundred twenty-two thousand, two hundred fifty-seven".