222222234444424 has 32 divisors (see below), whose sum is σ = 434401077021120. Its totient is φ = 106479455898816.

The previous prime is 222222234444383. The next prime is 222222234444479. The reversal of 222222234444424 is 424444432222222.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6094272972 + ... + 6094309435.

It is an arithmetic number, because the mean of its divisors is an integer number (13575033656910).

Almost surely, 2^{222222234444424} is an apocalyptic number.

It is an amenable number.

222222234444424 is a deficient number, since it is larger than the sum of its proper divisors (212178842576696).

222222234444424 is a wasteful number, since it uses less digits than its factorization.

222222234444424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12188582509 (or 12188582505 counting only the distinct ones).

The product of its digits is 3145728, while the sum is 43.

Adding to 222222234444424 its reverse (424444432222222), we get a palindrome (646666666666646).

The spelling of 222222234444424 in words is "two hundred twenty-two trillion, two hundred twenty-two billion, two hundred thirty-four million, four hundred forty-four thousand, four hundred twenty-four".