22009221297 has 24 divisors (see below), whose sum is σ = 36350458560. Its totient is φ = 12570544800.

The previous prime is 22009221281. The next prime is 22009221307. The reversal of 22009221297 is 79212290022.

It is not a de Polignac number, because 22009221297 - 2⁴ = 22009221281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22009221277) 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 23 ways as a sum of consecutive naturals, for example, 45922 + ... + 214772.

It is an arithmetic number, because the mean of its divisors is an integer number (1514602440).

Almost surely, 2^22009221297 is an apocalyptic number.

It is an amenable number.

22009221297 is a deficient number, since it is larger than the sum of its proper divisors (14341237263).

22009221297 is a wasteful number, since it uses less digits than its factorization.

22009221297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170933 (or 170930 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The spelling of 22009221297 in words is "twenty-two billion, nine million, two hundred twenty-one thousand, two hundred ninety-seven".