122222222344 has 8 divisors (see below), whose sum is σ = 229166666910. Its totient is φ = 61111111168.

The previous prime is 122222222299. The next prime is 122222222371. The reversal of 122222222344 is 443222222221.

It can be written as a sum of positive squares in only one way, i.e., 101339082244 + 20883140100 = 318338^2 + 144510^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a plaindrome in base 10.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7638888889 + ... + 7638888904.

Almost surely, 2^122222222344 is an apocalyptic number.

It is an amenable number.

122222222344 is a deficient number, since it is larger than the sum of its proper divisors (106944444566).

122222222344 is a wasteful number, since it uses less digits than its factorization.

122222222344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15277777799 (or 15277777795 counting only the distinct ones).

The product of its digits is 12288, while the sum is 28.

Adding to 122222222344 its reverse (443222222221), we get a palindrome (565444444565).

The spelling of 122222222344 in words is "one hundred twenty-two billion, two hundred twenty-two million, two hundred twenty-two thousand, three hundred forty-four".