1171284885222 has 16 divisors (see below), whose sum is σ = 2342585215920. Its totient is φ = 390425720832.

The previous prime is 1171284885209. The next prime is 1171284885227. The reversal of 1171284885222 is 2225884821711.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1171284885227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 498054 + ... + 1609542.

It is an arithmetic number, because the mean of its divisors is an integer number (146411575995).

Almost surely, 2^{1171284885222} is an apocalyptic number.

1171284885222 is an abundant number, since it is smaller than the sum of its proper divisors (1171300330698).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1171284885222 is a wasteful number, since it uses less digits than its factorization.

1171284885222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1287127.

The product of its digits is 1146880, while the sum is 51.

The spelling of 1171284885222 in words is "one trillion, one hundred seventy-one billion, two hundred eighty-four million, eight hundred eighty-five thousand, two hundred twenty-two".