22698432 has 84 divisors (see below), whose sum is σ = 65736216. Its totient is φ = 7488000.

The previous prime is 22698397. The next prime is 22698433. The reversal of 22698432 is 23489622.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 (22698433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 90307 + ... + 90557.

It is an arithmetic number, because the mean of its divisors is an integer number (782574).

Almost surely, 2^22698432 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 22698432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32868108).

22698432 is an abundant number, since it is smaller than the sum of its proper divisors (43037784).

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

22698432 is a wasteful number, since it uses less digits than its factorization.

22698432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426 (or 413 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 22698432 is about 4764.2871449987. The cubic root of 22698432 is about 283.1382993036.

It can be divided in two parts, 2269 and 8432, that added together give a palindrome (10701).

The spelling of 22698432 in words is "twenty-two million, six hundred ninety-eight thousand, four hundred thirty-two".