223122907279 has 2 divisors, whose sum is σ = 223122907280. Its totient is φ = 223122907278.

The previous prime is 223122907277. The next prime is 223122907291. The reversal of 223122907279 is 972709221322.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 223122907279 - 2¹ = 223122907277 is a prime.

It is a super-3 number, since 3×223122907279³ (a number of 35 digits) contains 333 as substring.

Together with 223122907277, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223122907277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111561453639 + 111561453640.

It is an arithmetic number, because the mean of its divisors is an integer number (111561453640).

Almost surely, 2^223122907279 is an apocalyptic number.

223122907279 is a deficient number, since it is larger than the sum of its proper divisors (1).

223122907279 is an equidigital number, since it uses as much as digits as its factorization.

223122907279 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 381024, while the sum is 46.

The spelling of 223122907279 in words is "two hundred twenty-three billion, one hundred twenty-two million, nine hundred seven thousand, two hundred seventy-nine".