2272045287 has 16 divisors (see below), whose sum is σ = 3102105600. Its totient is φ = 1478629152.

The previous prime is 2272045277. The next prime is 2272045313. The reversal of 2272045287 is 7825402722.

It is a happy number.

It is not a de Polignac number, because 2272045287 - 2²³ = 2263656679 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2272045277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4263 + ... + 67544.

It is an arithmetic number, because the mean of its divisors is an integer number (193881600).

Almost surely, 2^2272045287 is an apocalyptic number.

2272045287 is a deficient number, since it is larger than the sum of its proper divisors (830060313).

2272045287 is a wasteful number, since it uses less digits than its factorization.

2272045287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72062.

The product of its (nonzero) digits is 125440, while the sum is 39.

The square root of 2272045287 is about 47665.9761989619. The cubic root of 2272045287 is about 1314.6364249054.

The spelling of 2272045287 in words is "two billion, two hundred seventy-two million, forty-five thousand, two hundred eighty-seven".