2215241 has 12 divisors (see below), whose sum is σ = 2628612. Its totient is φ = 1860768.

The previous prime is 2215237. The next prime is 2215277. The reversal of 2215241 is 1425122.

It can be written as a sum of positive squares in 2 ways, for example, as 765625 + 1449616 = 875^2 + 1204^2 .

It is not a de Polignac number, because 2215241 - 2² = 2215237 is a prime.

It is an Ulam number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2215201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2171 + ... + 3023.

It is an arithmetic number, because the mean of its divisors is an integer number (219051).

2^2215241 is an apocalyptic number.

It is an amenable number.

2215241 is a deficient number, since it is larger than the sum of its proper divisors (413371).

2215241 is an equidigital number, since it uses as much as digits as its factorization.

2215241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 920 (or 913 counting only the distinct ones).

The product of its digits is 160, while the sum is 17.

The square root of 2215241 is about 1488.3685699450. The cubic root of 2215241 is about 130.3587918833.

The spelling of 2215241 in words is "two million, two hundred fifteen thousand, two hundred forty-one".