8595221 has 2 divisors, whose sum is σ = 8595222. Its totient is φ = 8595220.

The previous prime is 8595187. The next prime is 8595253. The reversal of 8595221 is 1225958.

It is an a-pointer prime, because the next prime (8595253) can be obtained adding 8595221 to its sum of digits (32).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7214596 + 1380625 = 2686^2 + 1175^2 .

It is a cyclic number.

It is not a de Polignac number, because 8595221 - 2²² = 4400917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8598221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4297610 + 4297611.

It is an arithmetic number, because the mean of its divisors is an integer number (4297611).

Almost surely, 2^8595221 is an apocalyptic number.

It is an amenable number.

8595221 is a deficient number, since it is larger than the sum of its proper divisors (1).

8595221 is an equidigital number, since it uses as much as digits as its factorization.

8595221 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7200, while the sum is 32.

The square root of 8595221 is about 2931.7607337571. The cubic root of 8595221 is about 204.8420039806.

The spelling of 8595221 in words is "eight million, five hundred ninety-five thousand, two hundred twenty-one".