222666226605 has 96 divisors (see below), whose sum is σ = 404061372000. Its totient is φ = 113287372800.

The previous prime is 222666226591. The next prime is 222666226669. The reversal of 222666226605 is 506622666222.

It can be written as a sum of positive squares in 16 ways, for example, as 91502015049 + 131164211556 = 302493^2 + 362166^2 .

It is not a de Polignac number, because 222666226605 - 2¹⁵ = 222666193837 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 74995561 + ... + 74998529.

It is an arithmetic number, because the mean of its divisors is an integer number (4208972625).

Almost surely, 2^222666226605 is an apocalyptic number.

It is an amenable number.

222666226605 is a deficient number, since it is larger than the sum of its proper divisors (181395145395).

222666226605 is a wasteful number, since it uses less digits than its factorization.

222666226605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3679 (or 3676 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 45.

The spelling of 222666226605 in words is "two hundred twenty-two billion, six hundred sixty-six million, two hundred twenty-six thousand, six hundred five".