22210132221 has 24 divisors (see below), whose sum is σ = 32696183520. Its totient is φ = 14524058400.

The previous prime is 22210132193. The next prime is 22210132223. The reversal of 22210132221 is 12223101222.

22210132221 is a `hidden beast` number, since 222 + 101 + 322 + 21 = 666.

It is not a de Polignac number, because 22210132221 - 2⁹ = 22210131709 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22210132194 and 22210132203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22210132223) 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, 199426 + ... + 290156.

It is an arithmetic number, because the mean of its divisors is an integer number (1362340980).

Almost surely, 2^22210132221 is an apocalyptic number.

It is an amenable number.

22210132221 is a deficient number, since it is larger than the sum of its proper divisors (10486051299).

22210132221 is a wasteful number, since it uses less digits than its factorization.

22210132221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91257 (or 91254 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 22210132221 its reverse (12223101222), we get a palindrome (34433233443).

The spelling of 22210132221 in words is "twenty-two billion, two hundred ten million, one hundred thirty-two thousand, two hundred twenty-one".