2223841 has 2 divisors, whose sum is σ = 2223842. Its totient is φ = 2223840.

The previous prime is 2223839. The next prime is 2223853. The reversal of 2223841 is 1483222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1615441 + 608400 = 1271^2 + 780^2 .

It is a cyclic number.

It is not a de Polignac number, because 2223841 - 2¹ = 2223839 is a prime.

Together with 2223839, it forms a pair of twin primes.

2223841 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (2223541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1111920 + 1111921.

It is an arithmetic number, because the mean of its divisors is an integer number (1111921).

2^2223841 is an apocalyptic number.

It is an amenable number.

2223841 is a deficient number, since it is larger than the sum of its proper divisors (1).

2223841 is an equidigital number, since it uses as much as digits as its factorization.

2223841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 768, while the sum is 22.

The square root of 2223841 is about 1491.2548407298. The cubic root of 2223841 is about 130.5272668518.

The spelling of 2223841 in words is "two million, two hundred twenty-three thousand, eight hundred forty-one".