22164628647 has 8 divisors (see below), whose sum is σ = 33774672256. Its totient is φ = 12665502072.

The previous prime is 22164628643. The next prime is 22164628649. The reversal of 22164628647 is 74682646122.

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

It is not a de Polignac number, because 22164628647 - 2² = 22164628643 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22164628596 and 22164628605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22164628643) 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 7 ways as a sum of consecutive naturals, for example, 527729233 + ... + 527729274.

It is an arithmetic number, because the mean of its divisors is an integer number (4221834032).

Almost surely, 2^22164628647 is an apocalyptic number.

22164628647 is a deficient number, since it is larger than the sum of its proper divisors (11610043609).

22164628647 is a wasteful number, since it uses less digits than its factorization.

22164628647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1055458517.

The product of its digits is 1548288, while the sum is 48.

The spelling of 22164628647 in words is "twenty-two billion, one hundred sixty-four million, six hundred twenty-eight thousand, six hundred forty-seven".