22424636 has 24 divisors (see below), whose sum is σ = 44488080. Its totient is φ = 9804672.

The previous prime is 22424621. The next prime is 22424639. The reversal of 22424636 is 63642422.

It is a junction number, because it is equal to n+sod(n) for n = 22424599 and 22424608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22424639) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10361 + ... + 12336.

It is an arithmetic number, because the mean of its divisors is an integer number (1853670).

Almost surely, 2^22424636 is an apocalyptic number.

22424636 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

22424636 is a deficient number, since it is larger than the sum of its proper divisors (22063444).

22424636 is a wasteful number, since it uses less digits than its factorization.

22424636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22733 (or 22731 counting only the distinct ones).

The product of its digits is 13824, while the sum is 29.

The square root of 22424636 is about 4735.4657637871. The cubic root of 22424636 is about 281.9952550213.

The spelling of 22424636 in words is "twenty-two million, four hundred twenty-four thousand, six hundred thirty-six".