11422387 has 2 divisors, whose sum is σ = 11422388. Its totient is φ = 11422386.

The previous prime is 11422343. The next prime is 11422423. The reversal of 11422387 is 78322411.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11422387 - 2¹⁵ = 11389619 is a prime.

It is equal to p₇₅₂₅₀₉ and since 11422387 and 752509 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (11422337) 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, 5711193 + 5711194.

It is an arithmetic number, because the mean of its divisors is an integer number (5711194).

Almost surely, 2^11422387 is an apocalyptic number.

11422387 is a deficient number, since it is larger than the sum of its proper divisors (1).

11422387 is an equidigital number, since it uses as much as digits as its factorization.

11422387 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2688, while the sum is 28.

The square root of 11422387 is about 3379.7022058164. The cubic root of 11422387 is about 225.2089384268.

Adding to 11422387 its reverse (78322411), we get a palindrome (89744798).

The spelling of 11422387 in words is "eleven million, four hundred twenty-two thousand, three hundred eighty-seven".