22434432 has 64 divisors (see below), whose sum is σ = 61240800. Its totient is φ = 7271424.

The previous prime is 22434431. The next prime is 22434437. The reversal of 22434432 is 23443422.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (22434431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13419 + ... + 14997.

Almost surely, 2^22434432 is an apocalyptic number.

It is a pronic number, being equal to 4736×4737.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22434432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30620400).

22434432 is an abundant number, since it is smaller than the sum of its proper divisors (38806368).

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

22434432 is a wasteful number, since it uses less digits than its factorization.

22434432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1633 (or 1621 counting only the distinct ones).

The product of its digits is 4608, while the sum is 24.

The square root of 22434432 is about 4736.4999736092. The cubic root of 22434432 is about 282.0363114049.

Adding to 22434432 its reverse (23443422), we get a palindrome (45877854).

The spelling of 22434432 in words is "twenty-two million, four hundred thirty-four thousand, four hundred thirty-two".