22048989 has 8 divisors (see below), whose sum is σ = 29426592. Its totient is φ = 14685360.

The previous prime is 22048951. The next prime is 22049009. The reversal of 22048989 is 98984022.

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

It is not a de Polignac number, because 22048989 - 2⁷ = 22048861 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22048989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22048919) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1027 + ... + 6719.

It is an arithmetic number, because the mean of its divisors is an integer number (3678324).

Almost surely, 2^22048989 is an apocalyptic number.

It is an amenable number.

22048989 is a deficient number, since it is larger than the sum of its proper divisors (7377603).

22048989 is a wasteful number, since it uses less digits than its factorization.

22048989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6987.

The product of its (nonzero) digits is 82944, while the sum is 42.

The square root of 22048989 is about 4695.6351008144. The cubic root of 22048989 is about 280.4117623710.

The spelling of 22048989 in words is "twenty-two million, forty-eight thousand, nine hundred eighty-nine".