11422644 has 12 divisors (see below), whose sum is σ = 26652864. Its totient is φ = 3807544.

The previous prime is 11422643. The next prime is 11422661. The reversal of 11422644 is 44622411.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11422643) 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 3 ways as a sum of consecutive naturals, for example, 475932 + ... + 475955.

It is an arithmetic number, because the mean of its divisors is an integer number (2221072).

Almost surely, 2^11422644 is an apocalyptic number.

It is an amenable number.

11422644 is an abundant number, since it is smaller than the sum of its proper divisors (15230220).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11422644 is a wasteful number, since it uses less digits than its factorization.

11422644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 951894 (or 951892 counting only the distinct ones).

The product of its digits is 1536, while the sum is 24.

The square root of 11422644 is about 3379.7402267038. The cubic root of 11422644 is about 225.2106274568.

The spelling of 11422644 in words is "eleven million, four hundred twenty-two thousand, six hundred forty-four".