22213021222 has 8 divisors (see below), whose sum is σ = 38079464976. Its totient is φ = 9519866232.

The previous prime is 22213021169. The next prime is 22213021261. The reversal of 22213021222 is 22212031222.

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 22213021222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 793322173 + ... + 793322200.

It is an arithmetic number, because the mean of its divisors is an integer number (4759933122).

Almost surely, 2^22213021222 is an apocalyptic number.

22213021222 is a deficient number, since it is larger than the sum of its proper divisors (15866443754).

22213021222 is a wasteful number, since it uses less digits than its factorization.

22213021222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1586644382.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 22213021222 its reverse (22212031222), we get a palindrome (44425052444).

The spelling of 22213021222 in words is "twenty-two billion, two hundred thirteen million, twenty-one thousand, two hundred twenty-two".