22002224437 has 2 divisors, whose sum is σ = 22002224438. Its totient is φ = 22002224436.

The previous prime is 22002224407. The next prime is 22002224441. The reversal of 22002224437 is 73442220022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21726465201 + 275759236 = 147399^2 + 16606^2 .

It is a cyclic number.

It is not a de Polignac number, because 22002224437 - 2²⁷ = 21868006709 is a prime.

It is a super-2 number, since 2×22002224437² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22002224407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11001112218 + 11001112219.

It is an arithmetic number, because the mean of its divisors is an integer number (11001112219).

Almost surely, 2^22002224437 is an apocalyptic number.

It is an amenable number.

22002224437 is a deficient number, since it is larger than the sum of its proper divisors (1).

22002224437 is an equidigital number, since it uses as much as digits as its factorization.

22002224437 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 28.

Adding to 22002224437 its reverse (73442220022), we get a palindrome (95444444459).

The spelling of 22002224437 in words is "twenty-two billion, two million, two hundred twenty-four thousand, four hundred thirty-seven".