2243407 has 8 divisors (see below), whose sum is σ = 2298240. Its totient is φ = 2189400.

The previous prime is 2243399. The next prime is 2243419. The reversal of 2243407 is 7043422.

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 2243407 - 2³ = 2243399 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 (2243467) 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, 12444 + ... + 12622.

It is an arithmetic number, because the mean of its divisors is an integer number (287280).

2^2243407 is an apocalyptic number.

2243407 is a deficient number, since it is larger than the sum of its proper divisors (54833).

2243407 is a wasteful number, since it uses less digits than its factorization.

2243407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413.

The product of its (nonzero) digits is 1344, while the sum is 22.

The square root of 2243407 is about 1497.8007210574. The cubic root of 2243407 is about 130.9089552497.

Adding to 2243407 its reverse (7043422), we get a palindrome (9286829).

The spelling of 2243407 in words is "two million, two hundred forty-three thousand, four hundred seven".