22279897222 has 48 divisors (see below), whose sum is σ = 39227126400. Its totient is φ = 9462499200.

The previous prime is 22279897217. The next prime is 22279897223.

22279897222 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 22279897222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22279897223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 166354 + ... + 268762.

It is an arithmetic number, because the mean of its divisors is an integer number (817231800).

Almost surely, 2^22279897222 is an apocalyptic number.

22279897222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22279897222 is a deficient number, since it is larger than the sum of its proper divisors (16947229178).

22279897222 is a wasteful number, since it uses less digits than its factorization.

22279897222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102493 (or 102482 counting only the distinct ones).

The product of its digits is 2032128, while the sum is 52.

The spelling of 22279897222 in words is "twenty-two billion, two hundred seventy-nine million, eight hundred ninety-seven thousand, two hundred twenty-two".