22446644664422 has 8 divisors (see below), whose sum is σ = 36730873087272. Its totient is φ = 10203020302000.

The previous prime is 22446644664397. The next prime is 22446644664427.

22446644664422 is nontrivially palindromic in base 10.

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

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22446644664427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 510151015079 + ... + 510151015122.

It is an arithmetic number, because the mean of its divisors is an integer number (4591359135909).

Almost surely, 2^{22446644664422} is an apocalyptic number.

22446644664422 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22446644664422 is a deficient number, since it is larger than the sum of its proper divisors (14284228422850).

22446644664422 is a wasteful number, since it uses less digits than its factorization.

22446644664422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1020302030214.

The product of its digits is 84934656, while the sum is 56.

The spelling of 22446644664422 in words is "twenty-two trillion, four hundred forty-six billion, six hundred forty-four million, six hundred sixty-four thousand, four hundred twenty-two".