22279697222 has 8 divisors (see below), whose sum is σ = 33423886272. Its totient is φ = 11138401800.

The previous prime is 22279697213. The next prime is 22279697227.

It is a happy number.

22279697222 is nontrivially palindromic in base 10.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22279697227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 704054 + ... + 735017.

It is an arithmetic number, because the mean of its divisors is an integer number (4177985784).

Almost surely, 2^22279697222 is an apocalyptic number.

22279697222 is a deficient number, since it is larger than the sum of its proper divisors (11144189050).

22279697222 is a wasteful number, since it uses less digits than its factorization.

22279697222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1446814.

The product of its digits is 1524096, while the sum is 50.

The spelling of 22279697222 in words is "twenty-two billion, two hundred seventy-nine million, six hundred ninety-seven thousand, two hundred twenty-two".