22098989 has 8 divisors (see below), whose sum is σ = 24144480. Its totient is φ = 20059600.

The previous prime is 22098983. The next prime is 22098991. The reversal of 22098989 is 98989022.

It is a happy number.

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

It is not a de Polignac number, because 22098989 - 2⁸ = 22098733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22098983) 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, 9647 + ... + 11715.

It is an arithmetic number, because the mean of its divisors is an integer number (3018060).

Almost surely, 2^22098989 is an apocalyptic number.

It is an amenable number.

22098989 is a deficient number, since it is larger than the sum of its proper divisors (2045491).

22098989 is a wasteful number, since it uses less digits than its factorization.

22098989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3051.

The product of its (nonzero) digits is 186624, while the sum is 47.

The square root of 22098989 is about 4700.9561793320. The cubic root of 22098989 is about 280.6235635166.

The spelling of 22098989 in words is "twenty-two million, ninety-eight thousand, nine hundred eighty-nine".