22201221001022 has 24 divisors (see below), whose sum is σ = 38739056049504. Its totient is φ = 9514762129152.

The previous prime is 22201221001013. The next prime is 22201221001031. The reversal of 22201221001022 is 22010012210222.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22201221001013) and next prime (22201221001031).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25718558 + ... + 26567774.

It is an arithmetic number, because the mean of its divisors is an integer number (1614127335396).

Almost surely, 2^{22201221001022} is an apocalyptic number.

22201221001022 is a deficient number, since it is larger than the sum of its proper divisors (16537835048482).

22201221001022 is a wasteful number, since it uses less digits than its factorization.

22201221001022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1116000 (or 1115993 counting only the distinct ones).

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

Adding to 22201221001022 its reverse (22010012210222), we get a palindrome (44211233211244).

The spelling of 22201221001022 in words is "twenty-two trillion, two hundred one billion, two hundred twenty-one million, one thousand, twenty-two".