22790017 has 2 divisors, whose sum is σ = 22790018. Its totient is φ = 22790016.

The previous prime is 22789981. The next prime is 22790029. The reversal of 22790017 is 71009722.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22743361 + 46656 = 4769^2 + 216^2 .

It is a cyclic number.

It is not a de Polignac number, because 22790017 - 2¹⁵ = 22757249 is a prime.

It is not a weakly prime, because it can be changed into another prime (22790917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11395008 + 11395009.

It is an arithmetic number, because the mean of its divisors is an integer number (11395009).

Almost surely, 2^22790017 is an apocalyptic number.

It is an amenable number.

22790017 is a deficient number, since it is larger than the sum of its proper divisors (1).

22790017 is an equidigital number, since it uses as much as digits as its factorization.

22790017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1764, while the sum is 28.

The square root of 22790017 is about 4773.8890854313. The cubic root of 22790017 is about 283.5185960987.

Adding to 22790017 its reverse (71009722), we get a palindrome (93799739).

The spelling of 22790017 in words is "twenty-two million, seven hundred ninety thousand, seventeen".