22170704 has 20 divisors (see below), whose sum is σ = 44342400. Its totient is φ = 10727520.

The previous prime is 22170697. The next prime is 22170719. The reversal of 22170704 is 40707122.

22170704 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 22170704.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21854 + ... + 22845.

It is an arithmetic number, because the mean of its divisors is an integer number (2217120).

Almost surely, 2^22170704 is an apocalyptic number.

It is an amenable number.

22170704 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22170704 is a wasteful number, since it uses less digits than its factorization.

22170704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44738 (or 44732 counting only the distinct ones).

The product of its (nonzero) digits is 784, while the sum is 23.

The square root of 22170704 is about 4708.5777045728. The cubic root of 22170704 is about 280.9267929000.

Adding to 22170704 its reverse (40707122), we get a palindrome (62877826).

The spelling of 22170704 in words is "twenty-two million, one hundred seventy thousand, seven hundred four".