22644666042 has 8 divisors (see below), whose sum is σ = 45289332096. Its totient is φ = 7548222012.

The previous prime is 22644666029. The next prime is 22644666061. The reversal of 22644666042 is 24066644622.

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

22644666042 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 22644665985 and 22644666003.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1887055498 + ... + 1887055509.

It is an arithmetic number, because the mean of its divisors is an integer number (5661166512).

Almost surely, 2^22644666042 is an apocalyptic number.

22644666042 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22644666042 is a wasteful number, since it uses less digits than its factorization.

22644666042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3774111012.

The product of its (nonzero) digits is 663552, while the sum is 42.

The spelling of 22644666042 in words is "twenty-two billion, six hundred forty-four million, six hundred sixty-six thousand, forty-two".