22630005 has 24 divisors (see below), whose sum is σ = 40580280. Its totient is φ = 11652480.

The previous prime is 22630001. The next prime is 22630019. The reversal of 22630005 is 50003622.

It can be written as a sum of positive squares in 4 ways, for example, as 6517809 + 16112196 = 2553^2 + 4014^2 .

It is not a de Polignac number, because 22630005 - 2² = 22630001 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22630005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22630001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7366 + ... + 9975.

It is an arithmetic number, because the mean of its divisors is an integer number (1690845).

Almost surely, 2^22630005 is an apocalyptic number.

It is an amenable number.

22630005 is a deficient number, since it is larger than the sum of its proper divisors (17950275).

22630005 is a wasteful number, since it uses less digits than its factorization.

22630005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17381 (or 17378 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 22630005 is about 4757.1004824368. The cubic root of 22630005 is about 282.8534954053.

Adding to 22630005 its reverse (50003622), we get a palindrome (72633627).

The spelling of 22630005 in words is "twenty-two million, six hundred thirty thousand, five".