22943424 has 112 divisors (see below), whose sum is σ = 71168768. Its totient is φ = 6386688.

The previous prime is 22943419. The next prime is 22943429. The reversal of 22943424 is 42434922.

It is an interprime number because it is at equal distance from previous prime (22943419) and next prime (22943429).

It is a tau number, because it is divible by the number of its divisors (112).

It is a junction number, because it is equal to n+sod(n) for n = 22943391 and 22943400.

It is not an unprimeable number, because it can be changed into a prime (22943429) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 57594 + ... + 57990.

Almost surely, 2^22943424 is an apocalyptic number.

22943424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22943424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35584384).

22943424 is an abundant number, since it is smaller than the sum of its proper divisors (48225344).

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

22943424 is a wasteful number, since it uses less digits than its factorization.

22943424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462 (or 452 counting only the distinct ones).

The product of its digits is 13824, while the sum is 30.

The square root of 22943424 is about 4789.9294358059. The cubic root of 22943424 is about 284.1533259227.

The spelling of 22943424 in words is "twenty-two million, nine hundred forty-three thousand, four hundred twenty-four".