1222561594914 has 96 divisors (see below), whose sum is σ = 2758067262720. Its totient is φ = 360811540320.

The previous prime is 1222561594901. The next prime is 1222561594921. The reversal of 1222561594914 is 4194951652221.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10776217 + ... + 10889075.

It is an arithmetic number, because the mean of its divisors is an integer number (28729867320).

Almost surely, 2^{1222561594914} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1222561594914, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1379033631360).

1222561594914 is an abundant number, since it is smaller than the sum of its proper divisors (1535505667806).

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

1222561594914 is a wasteful number, since it uses less digits than its factorization.

1222561594914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113276 (or 113265 counting only the distinct ones).

The product of its digits is 1555200, while the sum is 51.

The spelling of 1222561594914 in words is "one trillion, two hundred twenty-two billion, five hundred sixty-one million, five hundred ninety-four thousand, nine hundred fourteen".