8538225722 has 32 divisors (see below), whose sum is σ = 13884683904. Its totient is φ = 3914481600.

The previous prime is 8538225721. The next prime is 8538225737. The reversal of 8538225722 is 2275228358.

It is not an unprimeable number, because it can be changed into a prime (8538225721) 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, 2561597 + ... + 2564927.

It is an arithmetic number, because the mean of its divisors is an integer number (433896372).

Almost surely, 2^8538225722 is an apocalyptic number.

8538225722 is a deficient number, since it is larger than the sum of its proper divisors (5346458182).

8538225722 is a wasteful number, since it uses less digits than its factorization.

8538225722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3974.

The product of its digits is 537600, while the sum is 44.

The square root of 8538225722 is about 92402.5201063261. The cubic root of 8538225722 is about 2043.8822746460.

The spelling of 8538225722 in words is "eight billion, five hundred thirty-eight million, two hundred twenty-five thousand, seven hundred twenty-two".