22831043 has 4 divisors (see below), whose sum is σ = 22840608. Its totient is φ = 22821480.

The previous prime is 22831037. The next prime is 22831057. The reversal of 22831043 is 34013822.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 34013822 = 2 ⋅17006911.

It is a cyclic number.

It is not a de Polignac number, because 22831043 - 2¹⁰ = 22830019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22831063) 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, 2105 + ... + 7077.

It is an arithmetic number, because the mean of its divisors is an integer number (5710152).

Almost surely, 2^22831043 is an apocalyptic number.

22831043 is a deficient number, since it is larger than the sum of its proper divisors (9565).

22831043 is an equidigital number, since it uses as much as digits as its factorization.

22831043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9564.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 22831043 is about 4778.1840692882. The cubic root of 22831043 is about 283.6886217323.

Adding to 22831043 its reverse (34013822), we get a palindrome (56844865).

The spelling of 22831043 in words is "twenty-two million, eight hundred thirty-one thousand, forty-three".