11722424 has 32 divisors (see below), whose sum is σ = 25233120. Its totient is φ = 5001216.

The previous prime is 11722423. The next prime is 11722429. The reversal of 11722424 is 42422711.

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

It is a self number, because there is not a number n which added to its sum of digits gives 11722424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11722421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19472 + ... + 20064.

It is an arithmetic number, because the mean of its divisors is an integer number (788535).

Almost surely, 2^11722424 is an apocalyptic number.

11722424 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

11722424 is an abundant number, since it is smaller than the sum of its proper divisors (13510696).

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

11722424 is a wasteful number, since it uses less digits than its factorization.

11722424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 959 (or 955 counting only the distinct ones).

The product of its digits is 896, while the sum is 23.

The square root of 11722424 is about 3423.8025644012. The cubic root of 11722424 is about 227.1638088720.

The spelling of 11722424 in words is "eleven million, seven hundred twenty-two thousand, four hundred twenty-four".