22201001012222 has 16 divisors (see below), whose sum is σ = 33410537980800. Its totient is φ = 11064160628352.

The previous prime is 22201001012219. The next prime is 22201001012227. The reversal of 22201001012222 is 22221010010222.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 22201001012222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22201001012227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6556154 + ... + 9348002.

It is an arithmetic number, because the mean of its divisors is an integer number (2088158623800).

Almost surely, 2^{22201001012222} is an apocalyptic number.

22201001012222 is a deficient number, since it is larger than the sum of its proper divisors (11209536968578).

22201001012222 is a wasteful number, since it uses less digits than its factorization.

22201001012222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2804867.

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

Adding to 22201001012222 its reverse (22221010010222), we get a palindrome (44422011022444).

The spelling of 22201001012222 in words is "twenty-two trillion, two hundred one billion, one million, twelve thousand, two hundred twenty-two".