22124430 has 48 divisors (see below), whose sum is σ = 57788640. Its totient is φ = 5872704.

The previous prime is 22124423. The next prime is 22124437. The reversal of 22124430 is 3442122.

22124430 is a `hidden beast` number, since 221 + 2 + 443 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (22124423) and next prime (22124437).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22124437) 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 23 ways as a sum of consecutive naturals, for example, 25951 + ... + 26789.

It is an arithmetic number, because the mean of its divisors is an integer number (1203930).

Almost surely, 2^22124430 is an apocalyptic number.

22124430 is an abundant number, since it is smaller than the sum of its proper divisors (35664210).

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

22124430 is a wasteful number, since it uses less digits than its factorization.

22124430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1145 (or 1142 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 22124430 is about 4703.6613398501. The cubic root of 22124430 is about 280.7312095596.

Adding to 22124430 its reverse (3442122), we get a palindrome (25566552).

The spelling of 22124430 in words is "twenty-two million, one hundred twenty-four thousand, four hundred thirty".