22909295825872 has 160 divisors (see below), whose sum is σ = 51301703980800. Its totient is φ = 9840905478144.

The previous prime is 22909295825861. The next prime is 22909295825873. The reversal of 22909295825872 is 27852859290922.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22909295825873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19113654 + ... + 20276842.

It is an arithmetic number, because the mean of its divisors is an integer number (320635649880).

Almost surely, 2^{22909295825872} 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 22909295825872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25650851990400).

22909295825872 is an abundant number, since it is smaller than the sum of its proper divisors (28392408154928).

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

22909295825872 is a wasteful number, since it uses less digits than its factorization.

22909295825872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1163373 (or 1163367 counting only the distinct ones).

The product of its (nonzero) digits is 261273600, while the sum is 70.

It can be divided in two parts, 2290929 and 5825872, that added together give a square (8116801 = 2849²).

The spelling of 22909295825872 in words is "twenty-two trillion, nine hundred nine billion, two hundred ninety-five million, eight hundred twenty-five thousand, eight hundred seventy-two".