22025432 has 48 divisors (see below), whose sum is σ = 48817080. Its totient is φ = 9235200.

The previous prime is 22025431. The next prime is 22025441. The reversal of 22025432 is 23452022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22025431) 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, 14132 + ... + 15612.

Almost surely, 2^22025432 is an apocalyptic number.

22025432 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22025432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24408540).

22025432 is an abundant number, since it is smaller than the sum of its proper divisors (26791648).

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

22025432 is a wasteful number, since it uses less digits than its factorization.

22025432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1524 (or 1507 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 22025432 is about 4693.1260370887. The cubic root of 22025432 is about 280.3118634026.

Adding to 22025432 its reverse (23452022), we get a palindrome (45477454).

It can be divided in two parts, 220 and 25432, that added together give a palindrome (25652).

The spelling of 22025432 in words is "twenty-two million, twenty-five thousand, four hundred thirty-two".