22298660 has 24 divisors (see below), whose sum is σ = 47201280. Its totient is φ = 8848224.

The previous prime is 22298603. The next prime is 22298669. The reversal of 22298660 is 6689222.

It is a self number, because there is not a number n which added to its sum of digits gives 22298660.

It is not an unprimeable number, because it can be changed into a prime (22298669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1850 + ... + 6929.

It is an arithmetic number, because the mean of its divisors is an integer number (1966720).

Almost surely, 2^22298660 is an apocalyptic number.

22298660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22298660 is an abundant number, since it is smaller than the sum of its proper divisors (24902620).

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

22298660 is a wasteful number, since it uses less digits than its factorization.

22298660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8915 (or 8913 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 22298660 is about 4722.1456987264. The cubic root of 22298660 is about 281.4662034687.

The spelling of 22298660 in words is "twenty-two million, two hundred ninety-eight thousand, six hundred sixty".