22144544401 has 8 divisors (see below), whose sum is σ = 25315580864. Its totient is φ = 18975390480.

The previous prime is 22144544381. The next prime is 22144544483. The reversal of 22144544401 is 10444544122.

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

It is a cyclic number.

It is not a de Polignac number, because 22144544401 - 2²⁷ = 22010326673 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22144544491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 445335 + ... + 492556.

It is an arithmetic number, because the mean of its divisors is an integer number (3164447608).

Almost surely, 2^22144544401 is an apocalyptic number.

It is an amenable number.

22144544401 is a deficient number, since it is larger than the sum of its proper divisors (3171036463).

22144544401 is an equidigital number, since it uses as much as digits as its factorization.

22144544401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 941271.

The product of its (nonzero) digits is 20480, while the sum is 31.

The spelling of 22144544401 in words is "twenty-two billion, one hundred forty-four million, five hundred forty-four thousand, four hundred one".