22131041 has 4 divisors (see below), whose sum is σ = 22217412. Its totient is φ = 22044672.

The previous prime is 22131017. The next prime is 22131049. The reversal of 22131041 is 14013122.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14013122 = 2 ⋅7006561.

It can be written as a sum of positive squares in 2 ways, for example, as 9740641 + 12390400 = 3121^2 + 3520^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22131041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22131049) 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, 42800 + ... + 43313.

It is an arithmetic number, because the mean of its divisors is an integer number (5554353).

Almost surely, 2^22131041 is an apocalyptic number.

It is an amenable number.

22131041 is a deficient number, since it is larger than the sum of its proper divisors (86371).

22131041 is an equidigital number, since it uses as much as digits as its factorization.

22131041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86370.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 22131041 is about 4704.3640377845. The cubic root of 22131041 is about 280.7591685353.

Adding to 22131041 its reverse (14013122), we get a palindrome (36144163).

The spelling of 22131041 in words is "twenty-two million, one hundred thirty-one thousand, forty-one".