22342140432 has 120 divisors (see below), whose sum is σ = 65903073600. Its totient is φ = 7046279424.

The previous prime is 22342140409. The next prime is 22342140437. The reversal of 22342140432 is 23404124322.

22342140432 is a `hidden beast` number, since 2 + 234 + 21 + 404 + 3 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 22342140396 and 22342140405.

It is not an unprimeable number, because it can be changed into a prime (22342140437) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2290638 + ... + 2300370.

It is an arithmetic number, because the mean of its divisors is an integer number (549192280).

Almost surely, 2^22342140432 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 22342140432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32951536800).

22342140432 is an abundant number, since it is smaller than the sum of its proper divisors (43560933168).

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

22342140432 is a wasteful number, since it uses less digits than its factorization.

22342140432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10605 (or 10596 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 22342140432 its reverse (23404124322), we get a palindrome (45746264754).

The spelling of 22342140432 in words is "twenty-two billion, three hundred forty-two million, one hundred forty thousand, four hundred thirty-two".