11564422 has 4 divisors (see below), whose sum is σ = 17346636. Its totient is φ = 5782210.

The previous prime is 11564381. The next prime is 11564447. The reversal of 11564422 is 22446511.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

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, 2891104 + ... + 2891107.

It is an arithmetic number, because the mean of its divisors is an integer number (4336659).

Almost surely, 2^11564422 is an apocalyptic number.

11564422 is a deficient number, since it is larger than the sum of its proper divisors (5782214).

11564422 is an equidigital number, since it uses as much as digits as its factorization.

11564422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5782213.

The product of its digits is 1920, while the sum is 25.

The square root of 11564422 is about 3400.6502319409. The cubic root of 11564422 is about 226.1385711385.

The spelling of 11564422 in words is "eleven million, five hundred sixty-four thousand, four hundred twenty-two".