22235923008 has 392 divisors, whose sum is σ = 72533744696. Its totient is φ = 6718464000.

The previous prime is 22235922983. The next prime is 22235923013. The reversal of 22235923008 is 80032953222.

It can be written as a sum of positive squares in 4 ways, for example, as 151585344 + 22084337664 = 12312^2 + 148608^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 36997908 + ... + 36998508.

It is an arithmetic number, because the mean of its divisors is an integer number (185035063).

Almost surely, 2^22235923008 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 22235923008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36266872348).

22235923008 is an abundant number, since it is smaller than the sum of its proper divisors (50297821688).

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

22235923008 is an equidigital number, since it uses as much as digits as its factorization.

22235923008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 705 (or 680 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The spelling of 22235923008 in words is "twenty-two billion, two hundred thirty-five million, nine hundred twenty-three thousand, eight".