222666622401 has 12 divisors (see below), whose sum is σ = 306774830256. Its totient is φ = 143655883560.

The previous prime is 222666622313. The next prime is 222666622403. The reversal of 222666622401 is 104226666222.

It is not a de Polignac number, because 222666622401 - 2¹⁰ = 222666621377 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 222666622401.

It is not an unprimeable number, because it can be changed into a prime (222666622403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38614291 + ... + 38620056.

It is an arithmetic number, because the mean of its divisors is an integer number (25564569188).

Almost surely, 2^222666622401 is an apocalyptic number.

It is an amenable number.

222666622401 is a deficient number, since it is larger than the sum of its proper divisors (84108207855).

222666622401 is an equidigital number, since it uses as much as digits as its factorization.

222666622401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77234412 (or 77234381 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 39.

The spelling of 222666622401 in words is "two hundred twenty-two billion, six hundred sixty-six million, six hundred twenty-two thousand, four hundred one".