11422637 has 2 divisors, whose sum is σ = 11422638. Its totient is φ = 11422636.

The previous prime is 11422583. The next prime is 11422639. The reversal of 11422637 is 73622411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6817321 + 4605316 = 2611^2 + 2146^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11422637 is a prime.

Together with 11422639, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11422639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5711318 + 5711319.

It is an arithmetic number, because the mean of its divisors is an integer number (5711319).

Almost surely, 2^11422637 is an apocalyptic number.

It is an amenable number.

11422637 is a deficient number, since it is larger than the sum of its proper divisors (1).

11422637 is an equidigital number, since it uses as much as digits as its factorization.

11422637 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2016, while the sum is 26.

The square root of 11422637 is about 3379.7391911211. The cubic root of 11422637 is about 225.2105814525.

The spelling of 11422637 in words is "eleven million, four hundred twenty-two thousand, six hundred thirty-seven".