22639392946 has 8 divisors (see below), whose sum is σ = 34088212224. Its totient is φ = 11276655540.

The previous prime is 22639392931. The next prime is 22639392947. The reversal of 22639392946 is 64929393622.

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

It is a super-2 number, since 2×22639392946² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22639392947) 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 3 ways as a sum of consecutive naturals, for example, 21519810 + ... + 21520861.

It is an arithmetic number, because the mean of its divisors is an integer number (4261026528).

Almost surely, 2^22639392946 is an apocalyptic number.

22639392946 is a deficient number, since it is larger than the sum of its proper divisors (11448819278).

22639392946 is a wasteful number, since it uses less digits than its factorization.

22639392946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43040936.

The product of its digits is 7558272, while the sum is 55.

The spelling of 22639392946 in words is "twenty-two billion, six hundred thirty-nine million, three hundred ninety-two thousand, nine hundred forty-six".