22432032 has 96 divisors (see below), whose sum is σ = 74793600. Its totient is φ = 6407424.

The previous prime is 22432021. The next prime is 22432037. The reversal of 22432032 is 23023422.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 22431996 and 22432014.

It is not an unprimeable number, because it can be changed into a prime (22432037) 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, 4194 + ... + 7902.

It is an arithmetic number, because the mean of its divisors is an integer number (779100).

Almost surely, 2^22432032 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 22432032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37396800).

22432032 is an abundant number, since it is smaller than the sum of its proper divisors (52361568).

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

22432032 is a wasteful number, since it uses less digits than its factorization.

22432032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3735 (or 3721 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 22432032 is about 4736.2466152007. The cubic root of 22432032 is about 282.0262537803.

Adding to 22432032 its reverse (23023422), we get a palindrome (45455454).

The spelling of 22432032 in words is "twenty-two million, four hundred thirty-two thousand, thirty-two".