22190689 has 8 divisors (see below), whose sum is σ = 23480000. Its totient is φ = 20913552.

The previous prime is 22190683. The next prime is 22190737. The reversal of 22190689 is 98609122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22190689 - 2³ = 22190681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22190681) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 847 + ... + 6715.

It is an arithmetic number, because the mean of its divisors is an integer number (2935000).

Almost surely, 2^22190689 is an apocalyptic number.

It is an amenable number.

22190689 is a deficient number, since it is larger than the sum of its proper divisors (1289311).

22190689 is a wasteful number, since it uses less digits than its factorization.

22190689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6087.

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 22190689 is about 4710.6994172840. The cubic root of 22190689 is about 281.0111780696.

The spelling of 22190689 in words is "twenty-two million, one hundred ninety thousand, six hundred eighty-nine".