222774827823 has 8 divisors (see below), whose sum is σ = 330036782000. Its totient is φ = 148516551864.

The previous prime is 222774827819. The next prime is 222774827827. The reversal of 222774827823 is 328728477222.

It is a happy number.

222774827823 is a `hidden beast` number, since 2 + 2 + 2 + 77 + 482 + 78 + 23 = 666.

It is an interprime number because it is at equal distance from previous prime (222774827819) and next prime (222774827827).

It is not a de Polignac number, because 222774827823 - 2² = 222774827819 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 222774827823.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222774827827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4125459748 + ... + 4125459801.

It is an arithmetic number, because the mean of its divisors is an integer number (41254597750).

Almost surely, 2^222774827823 is an apocalyptic number.

222774827823 is a deficient number, since it is larger than the sum of its proper divisors (107261954177).

222774827823 is an equidigital number, since it uses as much as digits as its factorization.

222774827823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8250919558 (or 8250919552 counting only the distinct ones).

The product of its digits is 8429568, while the sum is 54.

The spelling of 222774827823 in words is "two hundred twenty-two billion, seven hundred seventy-four million, eight hundred twenty-seven thousand, eight hundred twenty-three".