1222142714248 has 8 divisors (see below), whose sum is σ = 2291517589230. Its totient is φ = 611071357120.

The previous prime is 1222142714237. The next prime is 1222142714251. The reversal of 1222142714248 is 8424172412221.

It can be written as a sum of positive squares in only one way, i.e., 1221374204964 + 768509284 = 1105158^2 + 27722^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 1222142714248.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76383919633 + ... + 76383919648.

Almost surely, 2^{1222142714248} is an apocalyptic number.

It is an amenable number.

1222142714248 is a deficient number, since it is larger than the sum of its proper divisors (1069374874982).

1222142714248 is a wasteful number, since it uses less digits than its factorization.

1222142714248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152767839287 (or 152767839283 counting only the distinct ones).

The product of its digits is 114688, while the sum is 40.

The spelling of 1222142714248 in words is "one trillion, two hundred twenty-two billion, one hundred forty-two million, seven hundred fourteen thousand, two hundred forty-eight".