22211220222022 has 16 divisors (see below), whose sum is σ = 35880622081920. Its totient is φ = 10251058511232.

The previous prime is 22211220222007. The next prime is 22211220222089. The reversal of 22211220222022 is 22022202211222.

It is a junction number, because it is equal to n+sod(n) for n = 22211220221984 and 22211220222002.

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, 10418998 + ... + 12368425.

It is an arithmetic number, because the mean of its divisors is an integer number (2242538880120).

Almost surely, 2^{22211220222022} is an apocalyptic number.

22211220222022 is a deficient number, since it is larger than the sum of its proper divisors (13669401859898).

22211220222022 is a wasteful number, since it uses less digits than its factorization.

22211220222022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22824927.

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 22211220222022 its reverse (22022202211222), we get a palindrome (44233422433244).

The spelling of 22211220222022 in words is "twenty-two trillion, two hundred eleven billion, two hundred twenty million, two hundred twenty-two thousand, twenty-two".