22012020211222 has 16 divisors (see below), whose sum is σ = 34756884630000. Its totient is φ = 10426427442720.

The previous prime is 22012020211211. The next prime is 22012020211267. The reversal of 22012020211222 is 22211202021022.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 22012020211222.

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, 7599529 + ... + 10088452.

It is an arithmetic number, because the mean of its divisors is an integer number (2172305289375).

Almost surely, 2^{22012020211222} is an apocalyptic number.

22012020211222 is a deficient number, since it is larger than the sum of its proper divisors (12744864418778).

22012020211222 is a wasteful number, since it uses less digits than its factorization.

22012020211222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17720751.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 22012020211222 its reverse (22211202021022), we get a palindrome (44223222232244).

The spelling of 22012020211222 in words is "twenty-two trillion, twelve billion, twenty million, two hundred eleven thousand, two hundred twenty-two".