22221302204 has 6 divisors (see below), whose sum is σ = 38887278864. Its totient is φ = 11110651100.

The previous prime is 22221302203. The next prime is 22221302261. The reversal of 22221302204 is 40220312222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22221302203) 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 as a sum of consecutive naturals, namely, 2777662772 + ... + 2777662779.

It is an arithmetic number, because the mean of its divisors is an integer number (6481213144).

Almost surely, 2^22221302204 is an apocalyptic number.

It is an amenable number.

22221302204 is a deficient number, since it is larger than the sum of its proper divisors (16665976660).

22221302204 is a wasteful number, since it uses less digits than its factorization.

22221302204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5555325555 (or 5555325553 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 22221302204 its reverse (40220312222), we get a palindrome (62441614426).

The spelling of 22221302204 in words is "twenty-two billion, two hundred twenty-one million, three hundred two thousand, two hundred four".