2385221 has 8 divisors (see below), whose sum is σ = 2485080. Its totient is φ = 2286592.

The previous prime is 2385211. The next prime is 2385239. The reversal of 2385221 is 1225832.

It can be written as a sum of positive squares in 4 ways, for example, as 93025 + 2292196 = 305^2 + 1514^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2385221 - 2⁶ = 2385157 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2385211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6581 + ... + 6933.

It is an arithmetic number, because the mean of its divisors is an integer number (310635).

2^2385221 is an apocalyptic number.

It is an amenable number.

2385221 is a deficient number, since it is larger than the sum of its proper divisors (99859).

2385221 is a wasteful number, since it uses less digits than its factorization.

2385221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 615.

The product of its digits is 960, while the sum is 23.

The square root of 2385221 is about 1544.4160708825. The cubic root of 2385221 is about 133.6112031494.

The spelling of 2385221 in words is "two million, three hundred eighty-five thousand, two hundred twenty-one".