22666622001 has 4 divisors (see below), whose sum is σ = 30222162672. Its totient is φ = 15111081332.

The previous prime is 22666621993. The next prime is 22666622003. The reversal of 22666622001 is 10022666622.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22666622001 - 2³ = 22666621993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22666622003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3777770331 + ... + 3777770336.

It is an arithmetic number, because the mean of its divisors is an integer number (7555540668).

Almost surely, 2^22666622001 is an apocalyptic number.

It is an amenable number.

22666622001 is a deficient number, since it is larger than the sum of its proper divisors (7555540671).

22666622001 is an equidigital number, since it uses as much as digits as its factorization.

22666622001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7555540670.

The product of its (nonzero) digits is 20736, while the sum is 33.

The spelling of 22666622001 in words is "twenty-two billion, six hundred sixty-six million, six hundred twenty-two thousand, one".