22344466778 has 8 divisors (see below), whose sum is σ = 33975833268. Its totient is φ = 11019189024.

The previous prime is 22344466757. The next prime is 22344466787. The reversal of 22344466778 is 87766444322.

It can be written as a sum of positive squares in 2 ways, for example, as 19683248209 + 2661218569 = 140297^2 + 51587^2 .

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

It is a plaindrome in base 10.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 76522001 + ... + 76522292.

Almost surely, 2^22344466778 is an apocalyptic number.

22344466778 is a deficient number, since it is larger than the sum of its proper divisors (11631366490).

22344466778 is a wasteful number, since it uses less digits than its factorization.

22344466778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153044368.

The product of its digits is 10838016, while the sum is 53.

The spelling of 22344466778 in words is "twenty-two billion, three hundred forty-four million, four hundred sixty-six thousand, seven hundred seventy-eight".