2243541 has 8 divisors (see below), whose sum is σ = 3167424. Its totient is φ = 1407680.

The previous prime is 2243537. The next prime is 2243551. The reversal of 2243541 is 1453422.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2243541 - 2² = 2243537 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2243531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21945 + ... + 22046.

It is an arithmetic number, because the mean of its divisors is an integer number (395928).

2^2243541 is an apocalyptic number.

It is an amenable number.

2243541 is a deficient number, since it is larger than the sum of its proper divisors (923883).

2243541 is a wasteful number, since it uses less digits than its factorization.

2243541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44011.

The product of its digits is 960, while the sum is 21.

The square root of 2243541 is about 1497.8454526419. The cubic root of 2243541 is about 130.9115616204.

Adding to 2243541 its reverse (1453422), we get a palindrome (3696963).

The spelling of 2243541 in words is "two million, two hundred forty-three thousand, five hundred forty-one".