222864294155 has 4 divisors (see below), whose sum is σ = 267437152992. Its totient is φ = 178291435320.

The previous prime is 222864294151. The next prime is 222864294157. The reversal of 222864294155 is 551492468222.

It is a happy number.

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

It is not a de Polignac number, because 222864294155 - 2² = 222864294151 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222864294151) 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, 22286429411 + ... + 22286429420.

It is an arithmetic number, because the mean of its divisors is an integer number (66859288248).

Almost surely, 2^222864294155 is an apocalyptic number.

222864294155 is a deficient number, since it is larger than the sum of its proper divisors (44572858837).

222864294155 is an equidigital number, since it uses as much as digits as its factorization.

222864294155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44572858836.

The product of its digits is 2764800, while the sum is 50.

The spelling of 222864294155 in words is "two hundred twenty-two billion, eight hundred sixty-four million, two hundred ninety-four thousand, one hundred fifty-five".