22160670 has 32 divisors (see below), whose sum is σ = 60784128. Its totient is φ = 5065248.

The previous prime is 22160659. The next prime is 22160687. The reversal of 22160670 is 7606122.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 22160670.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52554 + ... + 52973.

It is an arithmetic number, because the mean of its divisors is an integer number (1899504).

Almost surely, 2^22160670 is an apocalyptic number.

22160670 is an abundant number, since it is smaller than the sum of its proper divisors (38623458).

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

22160670 is a wasteful number, since it uses less digits than its factorization.

22160670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105544.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 22160670 is about 4707.5120817689. The cubic root of 22160670 is about 280.8844059616.

Adding to 22160670 its reverse (7606122), we get a palindrome (29766792).

The spelling of 22160670 in words is "twenty-two million, one hundred sixty thousand, six hundred seventy".