22442017 has 18 divisors (see below), whose sum is σ = 25233138. Its totient is φ = 19948032.

The previous prime is 22441999. The next prime is 22442029. The reversal of 22442017 is 71024422.

It is a happy number.

It can be written as a sum of positive squares in 9 ways, for example, as 2692881 + 19749136 = 1641^2 + 4444^2 .

It is a de Polignac number, because none of the positive numbers 2^k-22442017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22442117) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 231313 + ... + 231409.

It is an arithmetic number, because the mean of its divisors is an integer number (1401841).

Almost surely, 2^22442017 is an apocalyptic number.

It is an amenable number.

22442017 is a deficient number, since it is larger than the sum of its proper divisors (2791121).

22442017 is an equidigital number, since it uses as much as digits as its factorization.

22442017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197 (or 147 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 22.

The square root of 22442017 is about 4737.3006026639. The cubic root of 22442017 is about 282.0680929743.

Adding to 22442017 its reverse (71024422), we get a palindrome (93466439).

The spelling of 22442017 in words is "twenty-two million, four hundred forty-two thousand, seventeen".