22232449008 has 480 divisors, whose sum is σ = 79634760192. Its totient is φ = 5670466560.

The previous prime is 22232448949. The next prime is 22232449009. The reversal of 22232449008 is 80094423222.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22232449009) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 97940191 + ... + 97940417.

Almost surely, 2^22232449008 is an apocalyptic number.

22232449008 is a gapful number since it is divisible by the number (28) 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 22232449008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39817380096).

22232449008 is an abundant number, since it is smaller than the sum of its proper divisors (57402311184).

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

22232449008 is a wasteful number, since it uses less digits than its factorization.

22232449008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354 (or 323 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The spelling of 22232449008 in words is "twenty-two billion, two hundred thirty-two million, four hundred forty-nine thousand, eight".