8918622284 has 48 divisors (see below), whose sum is σ = 18587456160. Its totient is φ = 3690800640.

The previous prime is 8918622277. The next prime is 8918622289. The reversal of 8918622284 is 4822268198.

It is a happy number.

It is a super-2 number, since 2×8918622284² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8918622289) 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, 65039 + ... + 148550.

It is an arithmetic number, because the mean of its divisors is an integer number (387238670).

Almost surely, 2^8918622284 is an apocalyptic number.

It is an amenable number.

8918622284 is an abundant number, since it is smaller than the sum of its proper divisors (9668833876).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8918622284 is a wasteful number, since it uses less digits than its factorization.

8918622284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213690 (or 213688 counting only the distinct ones).

The product of its digits is 884736, while the sum is 50.

The square root of 8918622284 is about 94438.4576536487. The cubic root of 8918622284 is about 2073.7954810360.

The spelling of 8918622284 in words is "eight billion, nine hundred eighteen million, six hundred twenty-two thousand, two hundred eighty-four".