8222437 has 2 divisors, whose sum is σ = 8222438. Its totient is φ = 8222436.

The previous prime is 8222419. The next prime is 8222447. The reversal of 8222437 is 7342228.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4198401 + 4024036 = 2049^2 + 2006^2 .

It is a cyclic number.

It is not a de Polignac number, because 8222437 - 2¹¹ = 8220389 is a prime.

8222437 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8222447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4111218 + 4111219.

It is an arithmetic number, because the mean of its divisors is an integer number (4111219).

Almost surely, 2^8222437 is an apocalyptic number.

It is an amenable number.

8222437 is a deficient number, since it is larger than the sum of its proper divisors (1).

8222437 is an equidigital number, since it uses as much as digits as its factorization.

8222437 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5376, while the sum is 28.

The square root of 8222437 is about 2867.4792065506. The cubic root of 8222437 is about 201.8367222873.

The spelling of 8222437 in words is "eight million, two hundred twenty-two thousand, four hundred thirty-seven".