22221304004222 has 16 divisors (see below), whose sum is σ = 33928852676400. Its totient is φ = 10912041426240.

The previous prime is 22221304004201. The next prime is 22221304004287. The reversal of 22221304004222 is 22240040312222.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22221304004191 and 22221304004200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88619447 + ... + 88869842.

It is an arithmetic number, because the mean of its divisors is an integer number (2120553292275).

Almost surely, 2^{22221304004222} is an apocalyptic number.

22221304004222 is a deficient number, since it is larger than the sum of its proper divisors (11707548672178).

22221304004222 is a wasteful number, since it uses less digits than its factorization.

22221304004222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177490411.

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 22221304004222 its reverse (22240040312222), we get a palindrome (44461344316444).

The spelling of 22221304004222 in words is "twenty-two trillion, two hundred twenty-one billion, three hundred four million, four thousand, two hundred twenty-two".