8222131 has 2 divisors, whose sum is σ = 8222132. Its totient is φ = 8222130.

The previous prime is 8222119. The next prime is 8222141. The reversal of 8222131 is 1312228.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8222131 - 2¹⁷ = 8091059 is a prime.

It is a super-2 number, since 2×8222131² = 135206876362322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8222099 and 8222108.

It is not a weakly prime, because it can be changed into another prime (8222111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4111065 + 4111066.

It is an arithmetic number, because the mean of its divisors is an integer number (4111066).

Almost surely, 2^8222131 is an apocalyptic number.

8222131 is a deficient number, since it is larger than the sum of its proper divisors (1).

8222131 is an equidigital number, since it uses as much as digits as its factorization.

8222131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 192, while the sum is 19.

The square root of 8222131 is about 2867.4258490849. The cubic root of 8222131 is about 201.8342184552.

Adding to 8222131 its reverse (1312228), we get a palindrome (9534359).

Subtracting from 8222131 its reverse (1312228), we obtain a triangular number (6909903 = T₃₇₁₇).

The spelling of 8222131 in words is "eight million, two hundred twenty-two thousand, one hundred thirty-one".