12223357779 has 8 divisors (see below), whose sum is σ = 16367758992. Its totient is φ = 8113930880.

The previous prime is 12223357771. The next prime is 12223357819. The reversal of 12223357779 is 97775332221.

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 12223357779 - 2³ = 12223357771 is a prime.

It is a super-4 number, since 4×12223357779⁴ (a number of 41 digits) contains 4444 as substring.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (12223357771) 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, 8742762 + ... + 8744159.

It is an arithmetic number, because the mean of its divisors is an integer number (2045969874).

Almost surely, 2^12223357779 is an apocalyptic number.

12223357779 is a deficient number, since it is larger than the sum of its proper divisors (4144401213).

12223357779 is a wasteful number, since it uses less digits than its factorization.

12223357779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17487157.

The product of its digits is 1111320, while the sum is 48.

The spelling of 12223357779 in words is "twelve billion, two hundred twenty-three million, three hundred fifty-seven thousand, seven hundred seventy-nine".