22201666401 has 8 divisors (see below), whose sum is σ = 29609506080. Its totient is φ = 14797468832.

The previous prime is 22201666393. The next prime is 22201666433. The reversal of 22201666401 is 10466610222.

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 22201666401 - 2³ = 22201666393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22201666301) 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, 896271 + ... + 920708.

It is an arithmetic number, because the mean of its divisors is an integer number (3701188260).

Almost surely, 2^22201666401 is an apocalyptic number.

It is an amenable number.

22201666401 is a deficient number, since it is larger than the sum of its proper divisors (7407839679).

22201666401 is a wasteful number, since it uses less digits than its factorization.

22201666401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1821055.

The product of its (nonzero) digits is 6912, while the sum is 30.

The spelling of 22201666401 in words is "twenty-two billion, two hundred one million, six hundred sixty-six thousand, four hundred one".