1222234557892 has 12 divisors (see below), whose sum is σ = 2138966516736. Its totient is φ = 611101267400.

The previous prime is 1222234557889. The next prime is 1222234557937. The reversal of 1222234557892 is 2987554322221.

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, 3830308 + ... + 4137115.

It is an arithmetic number, because the mean of its divisors is an integer number (178247209728).

Almost surely, 2^{1222234557892} is an apocalyptic number.

It is an amenable number.

1222234557892 is a deficient number, since it is larger than the sum of its proper divisors (916731958844).

1222234557892 is a wasteful number, since it uses less digits than its factorization.

1222234557892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8005778 (or 8005776 counting only the distinct ones).

The product of its digits is 4838400, while the sum is 52.

The spelling of 1222234557892 in words is "one trillion, two hundred twenty-two billion, two hundred thirty-four million, five hundred fifty-seven thousand, eight hundred ninety-two".