22201001021222 has 8 divisors (see below), whose sum is σ = 33306480099000. Its totient is φ = 11098840988224.

The previous prime is 22201001021207. The next prime is 22201001021263. The reversal of 22201001021222 is 22212010010222.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 22201001021222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 829744472 + ... + 829771227.

It is an arithmetic number, because the mean of its divisors is an integer number (4163310012375).

Almost surely, 2^{22201001021222} is an apocalyptic number.

22201001021222 is a deficient number, since it is larger than the sum of its proper divisors (11105479077778).

22201001021222 is a wasteful number, since it uses less digits than its factorization.

22201001021222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1659522390.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 22201001021222 its reverse (22212010010222), we get a palindrome (44413011031444).

The spelling of 22201001021222 in words is "twenty-two trillion, two hundred one billion, one million, twenty-one thousand, two hundred twenty-two".