22816243 has 8 divisors (see below), whose sum is σ = 23849280. Its totient is φ = 21799680.

The previous prime is 22816237. The next prime is 22816249. The reversal of 22816243 is 34261822.

It is an interprime number because it is at equal distance from previous prime (22816237) and next prime (22816249).

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

It is a cyclic number.

It is not a de Polignac number, because 22816243 - 2⁹ = 22815731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22816249) 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, 1243 + ... + 6868.

It is an arithmetic number, because the mean of its divisors is an integer number (2981160).

Almost surely, 2^22816243 is an apocalyptic number.

22816243 is a deficient number, since it is larger than the sum of its proper divisors (1033037).

22816243 is an equidigital number, since it uses as much as digits as its factorization.

22816243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8237.

The product of its digits is 4608, while the sum is 28.

The square root of 22816243 is about 4776.6351127127. The cubic root of 22816243 is about 283.6273090251.

Subtracting from 22816243 its product of digits (4608), we obtain a triangular number (22811635 = T₆₇₅₄).

It can be divided in two parts, 228 and 16243, that added together give a triangular number (16471 = T₁₈₁).

The spelling of 22816243 in words is "twenty-two million, eight hundred sixteen thousand, two hundred forty-three".