2223121079 has 2 divisors, whose sum is σ = 2223121080. Its totient is φ = 2223121078.

The previous prime is 2223121031. The next prime is 2223121139. The reversal of 2223121079 is 9701213222.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2223121079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2223121279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1111560539 + 1111560540.

It is an arithmetic number, because the mean of its divisors is an integer number (1111560540).

Almost surely, 2^2223121079 is an apocalyptic number.

2223121079 is a deficient number, since it is larger than the sum of its proper divisors (1).

2223121079 is an equidigital number, since it uses as much as digits as its factorization.

2223121079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 2223121079 is about 47149.9849310686. The cubic root of 2223121079 is about 1305.1318019382.

The spelling of 2223121079 in words is "two billion, two hundred twenty-three million, one hundred twenty-one thousand, seventy-nine".