22021202222 has 8 divisors (see below), whose sum is σ = 34097345472. Its totient is φ = 10655420400.

The previous prime is 22021202219. The next prime is 22021202227. The reversal of 22021202222 is 22220212022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 22021202222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22021202227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 177590279 + ... + 177590402.

It is an arithmetic number, because the mean of its divisors is an integer number (4262168184).

Almost surely, 2^22021202222 is an apocalyptic number.

22021202222 is a deficient number, since it is larger than the sum of its proper divisors (12076143250).

22021202222 is a wasteful number, since it uses less digits than its factorization.

22021202222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355180714.

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 22021202222 its reverse (22220212022), we get a palindrome (44241414244).

It can be divided in two parts, 220212022 and 22, that multiplied together give a palindrome (4844664484).

The spelling of 22021202222 in words is "twenty-two billion, twenty-one million, two hundred two thousand, two hundred twenty-two".