222682268861 has 4 divisors (see below), whose sum is σ = 239811674172. Its totient is φ = 205552863552.

The previous prime is 222682268807. The next prime is 222682268867. The reversal of 222682268861 is 168862286222.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 145089380836 + 77592888025 = 380906^2 + 278555^2 .

It is a cyclic number.

It is not a de Polignac number, because 222682268861 - 2²² = 222678074557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222682268867) 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, 8564702636 + ... + 8564702661.

It is an arithmetic number, because the mean of its divisors is an integer number (59952918543).

Almost surely, 2^222682268861 is an apocalyptic number.

It is an amenable number.

222682268861 is a deficient number, since it is larger than the sum of its proper divisors (17129405311).

222682268861 is a wasteful number, since it uses less digits than its factorization.

222682268861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17129405310.

The product of its digits is 3538944, while the sum is 53.

The spelling of 222682268861 in words is "two hundred twenty-two billion, six hundred eighty-two million, two hundred sixty-eight thousand, eight hundred sixty-one".