22806043837 has 2 divisors, whose sum is σ = 22806043838. Its totient is φ = 22806043836.

The previous prime is 22806043781. The next prime is 22806043849. The reversal of 22806043837 is 73834060822.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19042344036 + 3763699801 = 137994^2 + 61349^2 .

It is a cyclic number.

It is not a de Polignac number, because 22806043837 - 2¹¹ = 22806041789 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22806043793 and 22806043802.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22806043877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11403021918 + 11403021919.

It is an arithmetic number, because the mean of its divisors is an integer number (11403021919).

Almost surely, 2^22806043837 is an apocalyptic number.

It is an amenable number.

22806043837 is a deficient number, since it is larger than the sum of its proper divisors (1).

22806043837 is an equidigital number, since it uses as much as digits as its factorization.

22806043837 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 387072, while the sum is 43.

The spelling of 22806043837 in words is "twenty-two billion, eight hundred six million, forty-three thousand, eight hundred thirty-seven".