4595221 has 2 divisors, whose sum is σ = 4595222. Its totient is φ = 4595220.

The previous prime is 4595189. The next prime is 4595243. The reversal of 4595221 is 1225954.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2387025 + 2208196 = 1545^2 + 1486^2 .

It is a cyclic number.

It is not a de Polignac number, because 4595221 - 2⁵ = 4595189 is a prime.

It is a super-2 number, since 2×4595221² = 42232112077682, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4595221.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4595251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2297610 + 2297611.

It is an arithmetic number, because the mean of its divisors is an integer number (2297611).

Almost surely, 2^4595221 is an apocalyptic number.

It is an amenable number.

4595221 is a deficient number, since it is larger than the sum of its proper divisors (1).

4595221 is an equidigital number, since it uses as much as digits as its factorization.

4595221 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3600, while the sum is 28.

The square root of 4595221 is about 2143.6466593168. The cubic root of 4595221 is about 166.2527359303.

It can be divided in two parts, 45 and 95221, that added together give a triangular number (95266 = T₄₃₆).

The spelling of 4595221 in words is "four million, five hundred ninety-five thousand, two hundred twenty-one".