22126824 has 64 divisors (see below), whose sum is σ = 62208000. Its totient is φ = 7286400.

The previous prime is 22126823. The next prime is 22126831. The reversal of 22126824 is 42862122.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

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

It is not an unprimeable number, because it can be changed into a prime (22126823) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18649 + ... + 19799.

It is an arithmetic number, because the mean of its divisors is an integer number (972000).

Almost surely, 2^22126824 is an apocalyptic number.

22126824 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 22126824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31104000).

22126824 is an abundant number, since it is smaller than the sum of its proper divisors (40081176).

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

22126824 is a wasteful number, since it uses less digits than its factorization.

22126824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1255 (or 1245 counting only the distinct ones).

The product of its digits is 3072, while the sum is 27.

The square root of 22126824 is about 4703.9158155732. The cubic root of 22126824 is about 280.7413348114.

Adding to 22126824 its reverse (42862122), we get a palindrome (64988946).

The spelling of 22126824 in words is "twenty-two million, one hundred twenty-six thousand, eight hundred twenty-four".