22988443 has 4 divisors (see below), whose sum is σ = 23004648. Its totient is φ = 22972240.

The previous prime is 22988429. The next prime is 22988473. The reversal of 22988443 is 34488922.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22988443 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22988396 and 22988405.

It is not an unprimeable number, because it can be changed into a prime (22988473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5746 + ... + 8887.

It is an arithmetic number, because the mean of its divisors is an integer number (5751162).

Almost surely, 2^22988443 is an apocalyptic number.

22988443 is a deficient number, since it is larger than the sum of its proper divisors (16205).

22988443 is a wasteful number, since it uses less digits than its factorization.

22988443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16204.

The product of its digits is 110592, while the sum is 40.

The square root of 22988443 is about 4794.6264713740. The cubic root of 22988443 is about 284.3390572937.

The spelling of 22988443 in words is "twenty-two million, nine hundred eighty-eight thousand, four hundred forty-three".