222255536585 has 4 divisors (see below), whose sum is σ = 266706643908. Its totient is φ = 177804429264.

The previous prime is 222255536579. The next prime is 222255536593. The reversal of 222255536585 is 585635552222.

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 115989968329 + 106265568256 = 340573^2 + 325984^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222255536585 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22225553654 + ... + 22225553663.

It is an arithmetic number, because the mean of its divisors is an integer number (66676660977).

Almost surely, 2^222255536585 is an apocalyptic number.

It is an amenable number.

222255536585 is a deficient number, since it is larger than the sum of its proper divisors (44451107323).

222255536585 is an equidigital number, since it uses as much as digits as its factorization.

222255536585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44451107322.

The product of its digits is 7200000, while the sum is 50.

The spelling of 222255536585 in words is "two hundred twenty-two billion, two hundred fifty-five million, five hundred thirty-six thousand, five hundred eighty-five".