22404131 has 2 divisors, whose sum is σ = 22404132. Its totient is φ = 22404130.

The previous prime is 22404119. The next prime is 22404143. The reversal of 22404131 is 13140422.

It is a balanced prime because it is at equal distance from previous prime (22404119) and next prime (22404143).

It is a cyclic number.

It is not a de Polignac number, because 22404131 - 2¹⁴ = 22387747 is a prime.

It is a super-2 number, since 2×22404131² = 1003890171730322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22404631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11202065 + 11202066.

It is an arithmetic number, because the mean of its divisors is an integer number (11202066).

Almost surely, 2^22404131 is an apocalyptic number.

22404131 is a deficient number, since it is larger than the sum of its proper divisors (1).

22404131 is an equidigital number, since it uses as much as digits as its factorization.

22404131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 22404131 is about 4733.3002228889. The cubic root of 22404131 is about 281.9092770217.

Adding to 22404131 its reverse (13140422), we get a palindrome (35544553).

The spelling of 22404131 in words is "twenty-two million, four hundred four thousand, one hundred thirty-one".