1222242638599 has 8 divisors (see below), whose sum is σ = 1255291752240. Its totient is φ = 1189194342336.

The previous prime is 1222242638569. The next prime is 1222242638623. The reversal of 1222242638599 is 9958362422221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1222242638599 - 2²⁹ = 1221705767687 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222242638569) 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, 3957012 + ... + 4254694.

It is an arithmetic number, because the mean of its divisors is an integer number (156911469030).

Almost surely, 2^{1222242638599} is an apocalyptic number.

1222242638599 is a deficient number, since it is larger than the sum of its proper divisors (33049113641).

1222242638599 is a wasteful number, since it uses less digits than its factorization.

1222242638599 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408689.

The product of its digits is 7464960, while the sum is 55.

The spelling of 1222242638599 in words is "one trillion, two hundred twenty-two billion, two hundred forty-two million, six hundred thirty-eight thousand, five hundred ninety-nine".