2212541 has 4 divisors (see below), whose sum is σ = 2245632. Its totient is φ = 2179452.

The previous prime is 2212537. The next prime is 2212547. The reversal of 2212541 is 1452122.

2212541 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2212541 - 2² = 2212537 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 (2212547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16445 + ... + 16578.

It is an arithmetic number, because the mean of its divisors is an integer number (561408).

2^2212541 is an apocalyptic number.

It is an amenable number.

2212541 is a deficient number, since it is larger than the sum of its proper divisors (33091).

2212541 is an equidigital number, since it uses as much as digits as its factorization.

2212541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33090.

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

The square root of 2212541 is about 1487.4612599997. The cubic root of 2212541 is about 130.3058086591.

Adding to 2212541 its reverse (1452122), we get a palindrome (3664663).

The spelling of 2212541 in words is "two million, two hundred twelve thousand, five hundred forty-one".