8214223637 has 2 divisors, whose sum is σ = 8214223638. Its totient is φ = 8214223636.

The previous prime is 8214223601. The next prime is 8214223663. The reversal of 8214223637 is 7363224128.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8121794641 + 92428996 = 90121^2 + 9614^2 .

It is a cyclic number.

It is not a de Polignac number, because 8214223637 - 2⁶ = 8214223573 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8214223637.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8214223837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4107111818 + 4107111819.

It is an arithmetic number, because the mean of its divisors is an integer number (4107111819).

Almost surely, 2^8214223637 is an apocalyptic number.

It is an amenable number.

8214223637 is a deficient number, since it is larger than the sum of its proper divisors (1).

8214223637 is an equidigital number, since it uses as much as digits as its factorization.

8214223637 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96768, while the sum is 38.

The square root of 8214223637 is about 90632.3542505655. The cubic root of 8214223637 is about 2017.6949523727.

The spelling of 8214223637 in words is "eight billion, two hundred fourteen million, two hundred twenty-three thousand, six hundred thirty-seven".