22641347292 has 24 divisors (see below), whose sum is σ = 55126759296. Its totient is φ = 7218980208.

The previous prime is 22641347279. The next prime is 22641347293. The reversal of 22641347292 is 29274314622.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22641347293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41016658 + ... + 41017209.

It is an arithmetic number, because the mean of its divisors is an integer number (2296948304).

Almost surely, 2^22641347292 is an apocalyptic number.

It is an amenable number.

22641347292 is an abundant number, since it is smaller than the sum of its proper divisors (32485412004).

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

22641347292 is a wasteful number, since it uses less digits than its factorization.

22641347292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82033897 (or 82033895 counting only the distinct ones).

The product of its digits is 290304, while the sum is 42.

The spelling of 22641347292 in words is "twenty-two billion, six hundred forty-one million, three hundred forty-seven thousand, two hundred ninety-two".