22479497422 has 4 divisors (see below), whose sum is σ = 33719246136. Its totient is φ = 11239748710.

The previous prime is 22479497393. The next prime is 22479497431.

22479497422 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 22479497422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5619874354 + ... + 5619874357.

It is an arithmetic number, because the mean of its divisors is an integer number (8429811534).

Almost surely, 2^22479497422 is an apocalyptic number.

22479497422 is a deficient number, since it is larger than the sum of its proper divisors (11239748714).

22479497422 is a wasteful number, since it uses less digits than its factorization.

22479497422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11239748713.

The product of its digits is 4064256, while the sum is 52.

The spelling of 22479497422 in words is "twenty-two billion, four hundred seventy-nine million, four hundred ninety-seven thousand, four hundred twenty-two".