22142300032 has 48 divisors (see below), whose sum is σ = 44614861200. Its totient is φ = 10946253824.

The previous prime is 22142299979. The next prime is 22142300057. The reversal of 22142300032 is 23000324122.

It is a junction number, because it is equal to n+sod(n) for n = 22142299982 and 22142300009.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1002969 + ... + 1024807.

It is an arithmetic number, because the mean of its divisors is an integer number (929476275).

Almost surely, 2^22142300032 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 22142300032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22307430600).

22142300032 is an abundant number, since it is smaller than the sum of its proper divisors (22472561168).

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

22142300032 is an frugal number, since it uses more digits than its factorization.

22142300032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22031 (or 21930 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 22142300032 its reverse (23000324122), we get a palindrome (45142624154).

The spelling of 22142300032 in words is "twenty-two billion, one hundred forty-two million, three hundred thousand, thirty-two".