22147079 has 2 divisors, whose sum is σ = 22147080. Its totient is φ = 22147078.

The previous prime is 22147067. The next prime is 22147109. The reversal of 22147079 is 97074122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22147079 - 2⁴ = 22147063 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22147049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11073539 + 11073540.

It is an arithmetic number, because the mean of its divisors is an integer number (11073540).

Almost surely, 2^22147079 is an apocalyptic number.

22147079 is a deficient number, since it is larger than the sum of its proper divisors (1).

22147079 is an equidigital number, since it uses as much as digits as its factorization.

22147079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 22147079 is about 4706.0683165462. The cubic root of 22147079 is about 280.8269726703.

The spelling of 22147079 in words is "twenty-two million, one hundred forty-seven thousand, seventy-nine".