11422811 has 2 divisors, whose sum is σ = 11422812. Its totient is φ = 11422810.

The previous prime is 11422777. The next prime is 11422823. The reversal of 11422811 is 11822411.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11422811 is a prime.

It is a super-2 number, since 2×11422811² = 260961222283442, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11422841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5711405 + 5711406.

It is an arithmetic number, because the mean of its divisors is an integer number (5711406).

Almost surely, 2^11422811 is an apocalyptic number.

11422811 is a deficient number, since it is larger than the sum of its proper divisors (1).

11422811 is an equidigital number, since it uses as much as digits as its factorization.

11422811 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 128, while the sum is 20.

The square root of 11422811 is about 3379.7649326543. The cubic root of 11422811 is about 225.2117249841.

The spelling of 11422811 in words is "eleven million, four hundred twenty-two thousand, eight hundred eleven".