22644162444042 has 48 divisors (see below), whose sum is σ = 49310456507520. Its totient is φ = 7509906835200.

The previous prime is 22644162444019. The next prime is 22644162444047. The reversal of 22644162444042 is 24044426144622.

22644162444042 is a `hidden beast` number, since 2 + 2 + 6 + 4 + 4 + 162 + 4 + 440 + 42 = 666.

It is not an unprimeable number, because it can be changed into a prime (22644162444047) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11095167 + ... + 12976557.

It is an arithmetic number, because the mean of its divisors is an integer number (1027301177240).

Almost surely, 2^{22644162444042} is an apocalyptic number.

22644162444042 is an abundant number, since it is smaller than the sum of its proper divisors (26666294063478).

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

22644162444042 is a wasteful number, since it uses less digits than its factorization.

22644162444042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1884779 (or 1884776 counting only the distinct ones).

The product of its (nonzero) digits is 2359296, while the sum is 45.

Adding to 22644162444042 its reverse (24044426144622), we get a palindrome (46688588588664).

The spelling of 22644162444042 in words is "twenty-two trillion, six hundred forty-four billion, one hundred sixty-two million, four hundred forty-four thousand, forty-two".