2222166605226 has 64 divisors (see below), whose sum is σ = 4578865471488. Its totient is φ = 718428356928.

The previous prime is 2222166605179. The next prime is 2222166605249. The reversal of 2222166605226 is 6225066612222.

It is a super-2 number, since 2×2222166605226² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 257697951 + ... + 257706573.

It is an arithmetic number, because the mean of its divisors is an integer number (71544772992).

Almost surely, 2^{2222166605226} is an apocalyptic number.

2222166605226 is an abundant number, since it is smaller than the sum of its proper divisors (2356698866262).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2222166605226 is a wasteful number, since it uses less digits than its factorization.

2222166605226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12195.

The product of its (nonzero) digits is 414720, while the sum is 42.

The spelling of 2222166605226 in words is "two trillion, two hundred twenty-two billion, one hundred sixty-six million, six hundred five thousand, two hundred twenty-six".