22118832 has 60 divisors (see below), whose sum is σ = 64205960. Its totient is φ = 7371648.

The previous prime is 22118809. The next prime is 22118839. The reversal of 22118832 is 23881122.

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 a junction number, because it is equal to n+sod(n) for n = 22118796 and 22118805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22118839) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1044 + ... + 6732.

Almost surely, 2^22118832 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 22118832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32102980).

22118832 is an abundant number, since it is smaller than the sum of its proper divisors (42087128).

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

22118832 is an equidigital number, since it uses as much as digits as its factorization.

22118832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5712 (or 5694 counting only the distinct ones).

The product of its digits is 1536, while the sum is 27.

The square root of 22118832 is about 4703.0662338521. The cubic root of 22118832 is about 280.7075303676.

Adding to 22118832 its reverse (23881122), we get a palindrome (45999954).

The spelling of 22118832 in words is "twenty-two million, one hundred eighteen thousand, eight hundred thirty-two".