8725722227 has 4 divisors (see below), whose sum is σ = 8757920736. Its totient is φ = 8693523720.

The previous prime is 8725722199. The next prime is 8725722283. The reversal of 8725722227 is 7222275278.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7222275278 = 2 ⋅3611137639.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8725722227 is a prime.

It is a super-2 number, since 2×8725722227² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8725725227) 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, 16098848 + ... + 16099389.

It is an arithmetic number, because the mean of its divisors is an integer number (2189480184).

Almost surely, 2^8725722227 is an apocalyptic number.

8725722227 is a deficient number, since it is larger than the sum of its proper divisors (32198509).

8725722227 is a wasteful number, since it uses less digits than its factorization.

8725722227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32198508.

The product of its digits is 439040, while the sum is 44.

The square root of 8725722227 is about 93411.5743738430. The cubic root of 8725722227 is about 2058.7350630455.

The spelling of 8725722227 in words is "eight billion, seven hundred twenty-five million, seven hundred twenty-two thousand, two hundred twenty-seven".