2243401 has 4 divisors (see below), whose sum is σ = 2246400. Its totient is φ = 2240404.

The previous prime is 2243399. The next prime is 2243419. The reversal of 2243401 is 1043422.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2243401 - 2¹ = 2243399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2243431) 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, 660 + ... + 2218.

It is an arithmetic number, because the mean of its divisors is an integer number (561600).

2^2243401 is an apocalyptic number.

It is an amenable number.

2243401 is a deficient number, since it is larger than the sum of its proper divisors (2999).

2243401 is a wasteful number, since it uses less digits than its factorization.

2243401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2998.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 2243401 is about 1497.7987181194. The cubic root of 2243401 is about 130.9088385441.

Adding to 2243401 its reverse (1043422), we get a palindrome (3286823).

The spelling of 2243401 in words is "two million, two hundred forty-three thousand, four hundred one".