22489798 has 8 divisors (see below), whose sum is σ = 33883992. Its totient is φ = 11195136.

The previous prime is 22489777. The next prime is 22489807. The reversal of 22489798 is 89798422.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24315 + ... + 25222.

It is an arithmetic number, because the mean of its divisors is an integer number (4235499).

Almost surely, 2^22489798 is an apocalyptic number.

22489798 is a deficient number, since it is larger than the sum of its proper divisors (11394194).

22489798 is a wasteful number, since it uses less digits than its factorization.

22489798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49766.

The product of its digits is 580608, while the sum is 49.

The square root of 22489798 is about 4742.3409831011. The cubic root of 22489798 is about 282.2681335490.

The spelling of 22489798 in words is "twenty-two million, four hundred eighty-nine thousand, seven hundred ninety-eight".