1222444241242 has 48 divisors (see below), whose sum is σ = 2222700811560. Its totient is φ = 502146580992.

The previous prime is 1222444241219. The next prime is 1222444241273. The reversal of 1222444241242 is 2421424442221.

It can be written as a sum of positive squares in 4 ways, for example, as 943775333361 + 278668907881 = 971481^2 + 527891^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1222444241198 and 1222444241207.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1180483 + ... + 1959190.

Almost surely, 2^{1222444241242} is an apocalyptic number.

1222444241242 is a deficient number, since it is larger than the sum of its proper divisors (1000256570318).

1222444241242 is a wasteful number, since it uses less digits than its factorization.

1222444241242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3139855 (or 3139848 counting only the distinct ones).

The product of its digits is 65536, while the sum is 34.

Adding to 1222444241242 its reverse (2421424442221), we get a palindrome (3643868683463).

The spelling of 1222444241242 in words is "one trillion, two hundred twenty-two billion, four hundred forty-four million, two hundred forty-one thousand, two hundred forty-two".