7227544864 has 12 divisors (see below), whose sum is σ = 14229229014. Its totient is φ = 3613772416.

The previous prime is 7227544829. The next prime is 7227544901. The reversal of 7227544864 is 4684457227.

It can be written as a sum of positive squares in only one way, i.e., 4187125264 + 3040419600 = 64708^2 + 55140^2 .

It is a super-3 number, since 3×7227544864³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112930357 + ... + 112930420.

Almost surely, 2^7227544864 is an apocalyptic number.

It is an amenable number.

7227544864 is a deficient number, since it is larger than the sum of its proper divisors (7001684150).

7227544864 is a wasteful number, since it uses less digits than its factorization.

7227544864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225860787 (or 225860779 counting only the distinct ones).

The product of its digits is 3010560, while the sum is 49.

The square root of 7227544864 is about 85014.9684702641. The cubic root of 7227544864 is about 1933.4380684706.

The spelling of 7227544864 in words is "seven billion, two hundred twenty-seven million, five hundred forty-four thousand, eight hundred sixty-four".