2272045349 has 4 divisors (see below), whose sum is σ = 2596623264. Its totient is φ = 1947467436.

The previous prime is 2272045343. The next prime is 2272045351. The reversal of 2272045349 is 9435402722.

It is a happy number.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2272045349 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 (2272045343) 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, 162288947 + ... + 162288960.

It is an arithmetic number, because the mean of its divisors is an integer number (649155816).

Almost surely, 2^2272045349 is an apocalyptic number.

It is an amenable number.

2272045349 is a deficient number, since it is larger than the sum of its proper divisors (324577915).

2272045349 is an equidigital number, since it uses as much as digits as its factorization.

2272045349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324577914.

The product of its (nonzero) digits is 120960, while the sum is 38.

The square root of 2272045349 is about 47665.9768493209. The cubic root of 2272045349 is about 1314.6364368634.

The spelling of 2272045349 in words is "two billion, two hundred seventy-two million, forty-five thousand, three hundred forty-nine".