8443312242 has 32 divisors (see below), whose sum is σ = 18496512000. Its totient is φ = 2557540608.

The previous prime is 8443312237. The next prime is 8443312249. The reversal of 8443312242 is 2422133448.

It is not an unprimeable number, because it can be changed into a prime (8443312249) 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, 1424242 + ... + 1430157.

It is an arithmetic number, because the mean of its divisors is an integer number (578016000).

Almost surely, 2^8443312242 is an apocalyptic number.

8443312242 is an abundant number, since it is smaller than the sum of its proper divisors (10053199758).

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

8443312242 is a wasteful number, since it uses less digits than its factorization.

8443312242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2854450.

The product of its digits is 36864, while the sum is 33.

The square root of 8443312242 is about 91887.4977458849. The cubic root of 8443312242 is about 2036.2805674326.

The spelling of 8443312242 in words is "eight billion, four hundred forty-three million, three hundred twelve thousand, two hundred forty-two".