22389971 has 8 divisors (see below), whose sum is σ = 23907840. Its totient is φ = 20917512.

The previous prime is 22389959. The next prime is 22390007. The reversal of 22389971 is 17998322.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22389971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22389911) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 10331 + ... + 12308.

It is an arithmetic number, because the mean of its divisors is an integer number (2988480).

Almost surely, 2^22389971 is an apocalyptic number.

22389971 is a deficient number, since it is larger than the sum of its proper divisors (1517869).

22389971 is a wasteful number, since it uses less digits than its factorization.

22389971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22705.

The product of its digits is 54432, while the sum is 41.

The square root of 22389971 is about 4731.8042013591. The cubic root of 22389971 is about 281.8498731459.

The spelling of 22389971 in words is "twenty-two million, three hundred eighty-nine thousand, nine hundred seventy-one".