8633223156 has 48 divisors (see below), whose sum is σ = 20253957696. Its totient is φ = 2862096384.

The previous prime is 8633223107. The next prime is 8633223199. The reversal of 8633223156 is 6513223368.

It is a super-2 number, since 2×8633223156² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2425330 + ... + 2428886.

It is an arithmetic number, because the mean of its divisors is an integer number (421957452).

Almost surely, 2^8633223156 is an apocalyptic number.

It is an amenable number.

8633223156 is an abundant number, since it is smaller than the sum of its proper divisors (11620734540).

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

8633223156 is a wasteful number, since it uses less digits than its factorization.

8633223156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4608 (or 4606 counting only the distinct ones).

The product of its digits is 155520, while the sum is 39.

The square root of 8633223156 is about 92915.1395414117. The cubic root of 8633223156 is about 2051.4345030802.

The spelling of 8633223156 in words is "eight billion, six hundred thirty-three million, two hundred twenty-three thousand, one hundred fifty-six".