2220241 has 4 divisors (see below), whose sum is σ = 2251584. Its totient is φ = 2188900.

The previous prime is 2220209. The next prime is 2220263. The reversal of 2220241 is 1420222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2220241 - 2⁵ = 2220209 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15565 + ... + 15706.

It is an arithmetic number, because the mean of its divisors is an integer number (562896).

2^2220241 is an apocalyptic number.

It is an amenable number.

2220241 is a deficient number, since it is larger than the sum of its proper divisors (31343).

2220241 is an equidigital number, since it uses as much as digits as its factorization.

2220241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31342.

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 2220241 is about 1490.0473146850. The cubic root of 2220241 is about 130.4567953943.

Adding to 2220241 its reverse (1420222), we get a palindrome (3640463).

The spelling of 2220241 in words is "two million, two hundred twenty thousand, two hundred forty-one".