87322211 has 2 divisors, whose sum is σ = 87322212. Its totient is φ = 87322210.

The previous prime is 87322199. The next prime is 87322223. The reversal of 87322211 is 11222378.

It is a balanced prime because it is at equal distance from previous prime (87322199) and next prime (87322223).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-87322211 is a prime.

It is a Sophie Germain prime.

It is a nialpdrome in base 10.

It is not a weakly prime, because it can be changed into another prime (87322231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43661105 + 43661106.

It is an arithmetic number, because the mean of its divisors is an integer number (43661106).

Almost surely, 2^87322211 is an apocalyptic number.

87322211 is a deficient number, since it is larger than the sum of its proper divisors (1).

87322211 is an equidigital number, since it uses as much as digits as its factorization.

87322211 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1344, while the sum is 26.

The square root of 87322211 is about 9344.6354128987. The cubic root of 87322211 is about 443.6511121049.

Adding to 87322211 its reverse (11222378), we get a palindrome (98544589).

The spelling of 87322211 in words is "eighty-seven million, three hundred twenty-two thousand, two hundred eleven".