22579229 has 2 divisors, whose sum is σ = 22579230. Its totient is φ = 22579228.

The previous prime is 22579189. The next prime is 22579231. The reversal of 22579229 is 92297522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20025625 + 2553604 = 4475^2 + 1598^2 .

It is a cyclic number.

It is not a de Polignac number, because 22579229 - 2¹⁶ = 22513693 is a prime.

Together with 22579231, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 22579192 and 22579201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22579259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11289614 + 11289615.

It is an arithmetic number, because the mean of its divisors is an integer number (11289615).

Almost surely, 2^22579229 is an apocalyptic number.

It is an amenable number.

22579229 is a deficient number, since it is larger than the sum of its proper divisors (1).

22579229 is an equidigital number, since it uses as much as digits as its factorization.

22579229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45360, while the sum is 38.

The square root of 22579229 is about 4751.7606210751. The cubic root of 22579229 is about 282.6417864496.

The spelling of 22579229 in words is "twenty-two million, five hundred seventy-nine thousand, two hundred twenty-nine".