1222015874668 has 12 divisors (see below), whose sum is σ = 2144170336840. Its totient is φ = 609395778432.

The previous prime is 1222015874659. The next prime is 1222015874683. The reversal of 1222015874668 is 8664785102221.

It is a super-2 number, since 2×1222015874668² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 403038021 + ... + 403041052.

Almost surely, 2^{1222015874668} is an apocalyptic number.

It is an amenable number.

1222015874668 is a deficient number, since it is larger than the sum of its proper divisors (922154462172).

1222015874668 is a wasteful number, since it uses less digits than its factorization.

1222015874668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 806079456 (or 806079454 counting only the distinct ones).

The product of its (nonzero) digits is 2580480, while the sum is 52.

The spelling of 1222015874668 in words is "one trillion, two hundred twenty-two billion, fifteen million, eight hundred seventy-four thousand, six hundred sixty-eight".