22303112221 has 8 divisors (see below), whose sum is σ = 24021577944. Its totient is φ = 20585052480.

The previous prime is 22303112219. The next prime is 22303112297. The reversal of 22303112221 is 12221130322.

It can be written as a sum of positive squares in 4 ways, for example, as 8658302500 + 13644809721 = 93050^2 + 116811^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22303112221 - 2¹ = 22303112219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22303112521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17811 + ... + 211951.

It is an arithmetic number, because the mean of its divisors is an integer number (3002697243).

Almost surely, 2^22303112221 is an apocalyptic number.

It is an amenable number.

22303112221 is a deficient number, since it is larger than the sum of its proper divisors (1718465723).

22303112221 is a wasteful number, since it uses less digits than its factorization.

22303112221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202991.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 22303112221 its reverse (12221130322), we get a palindrome (34524242543).

The spelling of 22303112221 in words is "twenty-two billion, three hundred three million, one hundred twelve thousand, two hundred twenty-one".