2276644947 has 16 divisors (see below), whose sum is σ = 3245299200. Its totient is φ = 1414611072.

The previous prime is 2276644943. The next prime is 2276644987. The reversal of 2276644947 is 7494466722.

2276644947 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2276644947 - 2² = 2276644943 is a prime.

It is a super-2 number, since 2×2276644947² = 10366224429401265618, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a self number, because there is not a number n which added to its sum of digits gives 2276644947.

It is not an unprimeable number, because it can be changed into a prime (2276644943) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 211447 + ... + 221952.

It is an arithmetic number, because the mean of its divisors is an integer number (202831200).

Almost surely, 2^2276644947 is an apocalyptic number.

2276644947 is a deficient number, since it is larger than the sum of its proper divisors (968654253).

2276644947 is a wasteful number, since it uses less digits than its factorization.

2276644947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433522.

The product of its digits is 4064256, while the sum is 51.

The square root of 2276644947 is about 47714.2006849114. The cubic root of 2276644947 is about 1315.5229689434.

The spelling of 2276644947 in words is "two billion, two hundred seventy-six million, six hundred forty-four thousand, nine hundred forty-seven".