22610785808 has 160 divisors (see below), whose sum is σ = 50778937440. Its totient is φ = 9718824960.

The previous prime is 22610785793. The next prime is 22610785811. The reversal of 22610785808 is 80858701622.

It can be written as a sum of positive squares in 16 ways, for example, as 19613442304 + 2997343504 = 140048^2 + 54748^2 .

It is a super-2 number, since 2×22610785808² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 93820568 + ... + 93820808.

It is an arithmetic number, because the mean of its divisors is an integer number (317368359).

Almost surely, 2^22610785808 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 22610785808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25389468720).

22610785808 is an abundant number, since it is smaller than the sum of its proper divisors (28168151632).

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

22610785808 is a wasteful number, since it uses less digits than its factorization.

22610785808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462 (or 430 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 47.

The spelling of 22610785808 in words is "twenty-two billion, six hundred ten million, seven hundred eighty-five thousand, eight hundred eight".