22022002102221 has 24 divisors (see below), whose sum is σ = 35289494903520. Its totient is φ = 13120453226400.

The previous prime is 22022002102201. The next prime is 22022002102229. The reversal of 22022002102221 is 12220120022022.

22022002102221 is a `hidden beast` number, since 220 + 2 + 200 + 21 + 0 + 2 + 221 = 666.

It is not a de Polignac number, because 22022002102221 - 2⁵ = 22022002102189 is a prime.

It is a super-2 number, since 2×22022002102221² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22022002102194 and 22022002102203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22022002102229) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1885116750 + ... + 1885128431.

It is an arithmetic number, because the mean of its divisors is an integer number (1470395620980).

Almost surely, 2^{22022002102221} is an apocalyptic number.

It is an amenable number.

22022002102221 is a deficient number, since it is larger than the sum of its proper divisors (13267492801299).

22022002102221 is a wasteful number, since it uses less digits than its factorization.

22022002102221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3770245257 (or 3770245254 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 22022002102221 its reverse (12220120022022), we get a palindrome (34242122124243).

The spelling of 22022002102221 in words is "twenty-two trillion, twenty-two billion, two million, one hundred two thousand, two hundred twenty-one".