2211441 has 4 divisors (see below), whose sum is σ = 2948592. Its totient is φ = 1474292.

The previous prime is 2211439. The next prime is 2211481. The reversal of 2211441 is 1441122.

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 2211441 - 2¹ = 2211439 is a prime.

It is a D-number.

2211441 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2211441.

It is not an unprimeable number, because it can be changed into a prime (2211481) 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, 368571 + ... + 368576.

It is an arithmetic number, because the mean of its divisors is an integer number (737148).

2^2211441 is an apocalyptic number.

It is an amenable number.

2211441 is a deficient number, since it is larger than the sum of its proper divisors (737151).

2211441 is an equidigital number, since it uses as much as digits as its factorization.

2211441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 737150.

The product of its digits is 64, while the sum is 15.

The square root of 2211441 is about 1487.0914565016. The cubic root of 2211441 is about 130.2842105433.

Adding to 2211441 its reverse (1441122), we get a palindrome (3652563).

It can be divided in two parts, 22114 and 41, that added together give a triangular number (22155 = T₂₁₀).

The spelling of 2211441 in words is "two million, two hundred eleven thousand, four hundred forty-one".