22001424437 has 2 divisors, whose sum is σ = 22001424438. Its totient is φ = 22001424436.

The previous prime is 22001424413. The next prime is 22001424457. The reversal of 22001424437 is 73442410022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21994669636 + 6754801 = 148306^2 + 2599^2 .

It is a cyclic number.

It is not a de Polignac number, because 22001424437 - 2⁶ = 22001424373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22001424457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11000712218 + 11000712219.

It is an arithmetic number, because the mean of its divisors is an integer number (11000712219).

Almost surely, 2^22001424437 is an apocalyptic number.

It is an amenable number.

22001424437 is a deficient number, since it is larger than the sum of its proper divisors (1).

22001424437 is an equidigital number, since it uses as much as digits as its factorization.

22001424437 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10752, while the sum is 29.

Adding to 22001424437 its reverse (73442410022), we get a palindrome (95443834459).

The spelling of 22001424437 in words is "twenty-two billion, one million, four hundred twenty-four thousand, four hundred thirty-seven".