22809522240 has 280 divisors, whose sum is σ = 83757772032. Its totient is φ = 5886120960.

The previous prime is 22809522223. The next prime is 22809522299. The reversal of 22809522240 is 4222590822.

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

It is a junction number, because it is equal to n+sod(n) for n = 22809522195 and 22809522204.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 789327 + ... + 817713.

Almost surely, 2^22809522240 is an apocalyptic number.

22809522240 is a gapful number since it is divisible by the number (20) 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 22809522240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41878886016).

22809522240 is an abundant number, since it is smaller than the sum of its proper divisors (60948249792).

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

22809522240 is a wasteful number, since it uses less digits than its factorization.

22809522240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28447 (or 28428 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The spelling of 22809522240 in words is "twenty-two billion, eight hundred nine million, five hundred twenty-two thousand, two hundred forty".