222345246405 has 16 divisors (see below), whose sum is σ = 355777066944. Its totient is φ = 118575907200.

The previous prime is 222345246401. The next prime is 222345246413. The reversal of 222345246405 is 504642543222.

It is not a de Polignac number, because 222345246405 - 2² = 222345246401 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222345246401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 287296 + ... + 726105.

It is an arithmetic number, because the mean of its divisors is an integer number (22236066684).

Almost surely, 2^222345246405 is an apocalyptic number.

It is an amenable number.

222345246405 is a deficient number, since it is larger than the sum of its proper divisors (133431820539).

222345246405 is a wasteful number, since it uses less digits than its factorization.

222345246405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1028036.

The product of its (nonzero) digits is 460800, while the sum is 39.

Adding to 222345246405 its reverse (504642543222), we get a palindrome (726987789627).

The spelling of 222345246405 in words is "two hundred twenty-two billion, three hundred forty-five million, two hundred forty-six thousand, four hundred five".