22479297422 has 4 divisors (see below), whose sum is σ = 33718946136. Its totient is φ = 11239648710.

The previous prime is 22479297409. The next prime is 22479297479.

22479297422 is nontrivially palindromic in base 10.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5619824354 + ... + 5619824357.

It is an arithmetic number, because the mean of its divisors is an integer number (8429736534).

Almost surely, 2^22479297422 is an apocalyptic number.

22479297422 is a deficient number, since it is larger than the sum of its proper divisors (11239648714).

22479297422 is a wasteful number, since it uses less digits than its factorization.

22479297422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11239648713.

The product of its digits is 2032128, while the sum is 50.

The spelling of 22479297422 in words is "twenty-two billion, four hundred seventy-nine million, two hundred ninety-seven thousand, four hundred twenty-two".