11422665 has 24 divisors (see below), whose sum is σ = 20484360. Its totient is φ = 5881344.

The previous prime is 11422661. The next prime is 11422669. The reversal of 11422665 is 56622411.

It is an interprime number because it is at equal distance from previous prime (11422661) and next prime (11422669).

It can be written as a sum of positive squares in 4 ways, for example, as 3059001 + 8363664 = 1749^2 + 2892^2 .

It is not a de Polignac number, because 11422665 - 2² = 11422661 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11422661) 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 in 23 ways as a sum of consecutive naturals, for example, 3072 + ... + 5681.

It is an arithmetic number, because the mean of its divisors is an integer number (853515).

Almost surely, 2^11422665 is an apocalyptic number.

11422665 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11422665 is a deficient number, since it is larger than the sum of its proper divisors (9061695).

11422665 is a wasteful number, since it uses less digits than its factorization.

11422665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8793 (or 8790 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 11422665 is about 3379.7433334500. The cubic root of 11422665 is about 225.2107654698.

The spelling of 11422665 in words is "eleven million, four hundred twenty-two thousand, six hundred sixty-five".