22352424 has 16 divisors (see below), whose sum is σ = 55881120. Its totient is φ = 7450800.

The previous prime is 22352423. The next prime is 22352431. The reversal of 22352424 is 42425322.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 931351 = 22352424 / (2 + 2 + 3 + 5 + 2 + 4 + 2 + 4).

It is a junction number, because it is equal to n+sod(n) for n = 22352394 and 22352403.

It is not an unprimeable number, because it can be changed into a prime (22352423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 465652 + ... + 465699.

It is an arithmetic number, because the mean of its divisors is an integer number (3492570).

Almost surely, 2^22352424 is an apocalyptic number.

22352424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22352424 is an abundant number, since it is smaller than the sum of its proper divisors (33528696).

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

22352424 is a wasteful number, since it uses less digits than its factorization.

22352424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 931360 (or 931356 counting only the distinct ones).

The product of its digits is 3840, while the sum is 24.

The square root of 22352424 is about 4727.8350225024. The cubic root of 22352424 is about 281.6922350345.

Adding to 22352424 its reverse (42425322), we get a palindrome (64777746).

The spelling of 22352424 in words is "twenty-two million, three hundred fifty-two thousand, four hundred twenty-four".