1222233445679 has 4 divisors (see below), whose sum is σ = 1233049670976. Its totient is φ = 1211417220384.

The previous prime is 1222233445661. The next prime is 1222233445817. The reversal of 1222233445679 is 9765443322221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1222233445679 - 2⁴⁰ = 122721817903 is a prime.

It is a super-2 number, since 2×1222233445679² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222233445079) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5408112479 + ... + 5408112704.

It is an arithmetic number, because the mean of its divisors is an integer number (308262417744).

Almost surely, 2^{1222233445679} is an apocalyptic number.

1222233445679 is a deficient number, since it is larger than the sum of its proper divisors (10816225297).

1222233445679 is a wasteful number, since it uses less digits than its factorization.

1222233445679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10816225296.

The product of its digits is 4354560, while the sum is 50.

The spelling of 1222233445679 in words is "one trillion, two hundred twenty-two billion, two hundred thirty-three million, four hundred forty-five thousand, six hundred seventy-nine".