22030279 has 2 divisors, whose sum is σ = 22030280. Its totient is φ = 22030278.

The previous prime is 22030277. The next prime is 22030289. The reversal of 22030279 is 97203022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22030279 - 2¹ = 22030277 is a prime.

Together with 22030277, 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 (22030271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11015139 + 11015140.

It is an arithmetic number, because the mean of its divisors is an integer number (11015140).

Almost surely, 2^22030279 is an apocalyptic number.

22030279 is a deficient number, since it is larger than the sum of its proper divisors (1).

22030279 is an equidigital number, since it uses as much as digits as its factorization.

22030279 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 22030279 is about 4693.6424022288. The cubic root of 22030279 is about 280.3324240580.

The spelling of 22030279 in words is "twenty-two million, thirty thousand, two hundred seventy-nine".