2197344239 has 4 divisors (see below), whose sum is σ = 2273114760. Its totient is φ = 2121573720.

The previous prime is 2197344209. The next prime is 2197344277. The reversal of 2197344239 is 9324437912.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2197344239 - 2⁸ = 2197343983 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2197344239.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2197344209) 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, 37885217 + ... + 37885274.

It is an arithmetic number, because the mean of its divisors is an integer number (568278690).

Almost surely, 2^2197344239 is an apocalyptic number.

2197344239 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

2197344239 is a deficient number, since it is larger than the sum of its proper divisors (75770521).

2197344239 is an equidigital number, since it uses as much as digits as its factorization.

2197344239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75770520.

The product of its digits is 326592, while the sum is 44.

The square root of 2197344239 is about 46875.8385418330. The cubic root of 2197344239 is about 1300.0678936928.

The spelling of 2197344239 in words is "two billion, one hundred ninety-seven million, three hundred forty-four thousand, two hundred thirty-nine".