22042446601 has 6 divisors (see below), whose sum is σ = 25641213450. Its totient is φ = 18893525616.

The previous prime is 22042446599. The next prime is 22042446617. The reversal of 22042446601 is 10664424022.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 17401567225 + 4640879376 = 131915^2 + 68124^2 .

It is not a de Polignac number, because 22042446601 - 2¹ = 22042446599 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22042446001) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 224922876 + ... + 224922973.

It is an arithmetic number, because the mean of its divisors is an integer number (4273535575).

Almost surely, 2^22042446601 is an apocalyptic number.

It is an amenable number.

22042446601 is a deficient number, since it is larger than the sum of its proper divisors (3598766849).

22042446601 is an equidigital number, since it uses as much as digits as its factorization.

22042446601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449845863 (or 449845856 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 31.

The spelling of 22042446601 in words is "twenty-two billion, forty-two million, four hundred forty-six thousand, six hundred one".