22424136 has 64 divisors (see below), whose sum is σ = 64634880. Its totient is φ = 6350400.

The previous prime is 22424119. The next prime is 22424137. The reversal of 22424136 is 63142422.

It is a Harshad number since it is a multiple of its sum of digits (24).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22424137) 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, 20811 + ... + 21861.

It is an arithmetic number, because the mean of its divisors is an integer number (1009920).

Almost surely, 2^22424136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22424136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32317440).

22424136 is an abundant number, since it is smaller than the sum of its proper divisors (42210744).

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

22424136 is a wasteful number, since it uses less digits than its factorization.

22424136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1194 (or 1190 counting only the distinct ones).

The product of its digits is 2304, while the sum is 24.

The square root of 22424136 is about 4735.4129703754. The cubic root of 22424136 is about 281.9931591319.

Adding to 22424136 its reverse (63142422), we get a palindrome (85566558).

The spelling of 22424136 in words is "twenty-two million, four hundred twenty-four thousand, one hundred thirty-six".