8529977222 has 24 divisors (see below), whose sum is σ = 14669908056. Its totient is φ = 3705326976.

The previous prime is 8529977221. The next prime is 8529977347. The reversal of 8529977222 is 2227799258.

It is a happy number.

It is a super-2 number, since 2×8529977222² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8529977221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 736508 + ... + 747999.

It is an arithmetic number, because the mean of its divisors is an integer number (611246169).

Almost surely, 2^8529977222 is an apocalyptic number.

8529977222 is a deficient number, since it is larger than the sum of its proper divisors (6139930834).

8529977222 is a wasteful number, since it uses less digits than its factorization.

8529977222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1484552 (or 1484539 counting only the distinct ones).

The product of its digits is 2540160, while the sum is 53.

The square root of 8529977222 is about 92357.8757984396. The cubic root of 8529977222 is about 2043.2238866948.

The spelling of 8529977222 in words is "eight billion, five hundred twenty-nine million, nine hundred seventy-seven thousand, two hundred twenty-two".