22124466 has 72 divisors (see below), whose sum is σ = 59379840. Its totient is φ = 5829408.

The previous prime is 22124449. The next prime is 22124467. The reversal of 22124466 is 66442122.

22124466 is a `hidden beast` number, since 2 + 212 + 446 + 6 = 666.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22124467) 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 35 ways as a sum of consecutive naturals, for example, 20775 + ... + 21813.

It is an arithmetic number, because the mean of its divisors is an integer number (824720).

Almost surely, 2^22124466 is an apocalyptic number.

22124466 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 22124466, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29689920).

22124466 is an abundant number, since it is smaller than the sum of its proper divisors (37255374).

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

22124466 is a wasteful number, since it uses less digits than its factorization.

22124466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1080 (or 1064 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

The square root of 22124466 is about 4703.6651666546. The cubic root of 22124466 is about 280.7313618244.

Adding to 22124466 its reverse (66442122), we get a palindrome (88566588).

The spelling of 22124466 in words is "twenty-two million, one hundred twenty-four thousand, four hundred sixty-six".