22541232 has 80 divisors (see below), whose sum is σ = 67535360. Its totient is φ = 6345216.

The previous prime is 22541231. The next prime is 22541249. The reversal of 22541232 is 23214522.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 22541199 and 22541208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22541231) 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, 24069 + ... + 24987.

It is an arithmetic number, because the mean of its divisors is an integer number (844192).

Almost surely, 2^22541232 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 22541232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33767680).

22541232 is an abundant number, since it is smaller than the sum of its proper divisors (44994128).

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

22541232 is a wasteful number, since it uses less digits than its factorization.

22541232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010 (or 1004 counting only the distinct ones).

The product of its digits is 960, while the sum is 21.

The square root of 22541232 is about 4747.7607353362. The cubic root of 22541232 is about 282.4831514216.

Adding to 22541232 its reverse (23214522), we get a palindrome (45755754).

It can be divided in two parts, 2254 and 1232, that added together give a triangular number (3486 = T₈₃).

The spelling of 22541232 in words is "twenty-two million, five hundred forty-one thousand, two hundred thirty-two".