2242309 has 8 divisors (see below), whose sum is σ = 2338560. Its totient is φ = 2147376.

The previous prime is 2242307. The next prime is 2242313. The reversal of 2242309 is 9032422.

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 2242309 - 2¹ = 2242307 is a prime.

2242309 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2242309.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2242307) 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, 4612 + ... + 5074.

It is an arithmetic number, because the mean of its divisors is an integer number (292320).

2^2242309 is an apocalyptic number.

2242309 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

2242309 is a deficient number, since it is larger than the sum of its proper divisors (96251).

2242309 is a wasteful number, since it uses less digits than its factorization.

2242309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 659.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 2242309 is about 1497.4341387854. The cubic root of 2242309 is about 130.8875946600.

The spelling of 2242309 in words is "two million, two hundred forty-two thousand, three hundred nine".