22079219 has 2 divisors, whose sum is σ = 22079220. Its totient is φ = 22079218.

The previous prime is 22079207. The next prime is 22079221. The reversal of 22079219 is 91297022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22079219 - 2¹⁶ = 22013683 is a prime.

It is a super-2 number, since 2×22079219² = 974983823299922, which contains 22 as substring.

Together with 22079221, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22075219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11039609 + 11039610.

It is an arithmetic number, because the mean of its divisors is an integer number (11039610).

Almost surely, 2^22079219 is an apocalyptic number.

22079219 is a deficient number, since it is larger than the sum of its proper divisors (1).

22079219 is an equidigital number, since it uses as much as digits as its factorization.

22079219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 22079219 is about 4698.8529451346. The cubic root of 22079219 is about 280.5398555683.

The spelling of 22079219 in words is "twenty-two million, seventy-nine thousand, two hundred nineteen".