22331243 has 8 divisors (see below), whose sum is σ = 24613680. Its totient is φ = 20090880.

The previous prime is 22331203. The next prime is 22331249. The reversal of 22331243 is 34213322.

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-22331243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22331249) 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, 9398 + ... + 11531.

It is an arithmetic number, because the mean of its divisors is an integer number (3076710).

Almost surely, 2^22331243 is an apocalyptic number.

22331243 is a deficient number, since it is larger than the sum of its proper divisors (2282437).

22331243 is a wasteful number, since it uses less digits than its factorization.

22331243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21037.

The product of its digits is 864, while the sum is 20.

The square root of 22331243 is about 4725.5944599595. The cubic root of 22331243 is about 281.6032303873.

Adding to 22331243 its reverse (34213322), we get a palindrome (56544565).

The spelling of 22331243 in words is "twenty-two million, three hundred thirty-one thousand, two hundred forty-three".