22150453232 has 80 divisors (see below), whose sum is σ = 47598620160. Its totient is φ = 9938370816.

The previous prime is 22150453177. The next prime is 22150453261. The reversal of 22150453232 is 23235405122.

It is a junction number, because it is equal to n+sod(n) for n = 22150453195 and 22150453204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 704798 + ... + 735554.

It is an arithmetic number, because the mean of its divisors is an integer number (594982752).

Almost surely, 2^22150453232 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 22150453232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23799310080).

22150453232 is an abundant number, since it is smaller than the sum of its proper divisors (25448166928).

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

22150453232 is a wasteful number, since it uses less digits than its factorization.

22150453232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30910 (or 30904 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 29.

Adding to 22150453232 its reverse (23235405122), we get a palindrome (45385858354).

The spelling of 22150453232 in words is "twenty-two billion, one hundred fifty million, four hundred fifty-three thousand, two hundred thirty-two".