222145541222 has 32 divisors (see below), whose sum is σ = 364614307200. Its totient is φ = 100669204800.

The previous prime is 222145541207. The next prime is 222145541249.

222145541222 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 10151729 + ... + 10173587.

It is an arithmetic number, because the mean of its divisors is an integer number (11394197100).

Almost surely, 2^222145541222 is an apocalyptic number.

222145541222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

222145541222 is a deficient number, since it is larger than the sum of its proper divisors (142468765978).

222145541222 is a wasteful number, since it uses less digits than its factorization.

222145541222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23252.

The product of its digits is 25600, while the sum is 32.

It can be divided in two parts, 222145 and 541222, that added together give a palindrome (763367).

The spelling of 222145541222 in words is "two hundred twenty-two billion, one hundred forty-five million, five hundred forty-one thousand, two hundred twenty-two".