22163707 has 4 divisors (see below), whose sum is σ = 22359960. Its totient is φ = 21967456.

The previous prime is 22163693. The next prime is 22163731. The reversal of 22163707 is 70736122.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22163707 - 2⁷ = 22163579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22163737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97957 + ... + 98182.

It is an arithmetic number, because the mean of its divisors is an integer number (5589990).

Almost surely, 2^22163707 is an apocalyptic number.

22163707 is a deficient number, since it is larger than the sum of its proper divisors (196253).

22163707 is a wasteful number, since it uses less digits than its factorization.

22163707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196252.

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 22163707 is about 4707.8346402566. The cubic root of 22163707 is about 280.8972366052.

Adding to 22163707 its reverse (70736122), we get a palindrome (92899829).

The spelling of 22163707 in words is "twenty-two million, one hundred sixty-three thousand, seven hundred seven".