22812041 has 4 divisors (see below), whose sum is σ = 26070912. Its totient is φ = 19553172.

The previous prime is 22812037. The next prime is 22812071. The reversal of 22812041 is 14021822.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22812041 - 2² = 22812037 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22812071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1629425 + ... + 1629438.

It is an arithmetic number, because the mean of its divisors is an integer number (6517728).

Almost surely, 2^22812041 is an apocalyptic number.

It is an amenable number.

22812041 is a deficient number, since it is larger than the sum of its proper divisors (3258871).

22812041 is an equidigital number, since it uses as much as digits as its factorization.

22812041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3258870.

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 22812041 is about 4776.1952430779. The cubic root of 22812041 is about 283.6098963552.

Adding to 22812041 its reverse (14021822), we get a palindrome (36833863).

The spelling of 22812041 in words is "twenty-two million, eight hundred twelve thousand, forty-one".