8424221039 has 8 divisors (see below), whose sum is σ = 9096565632. Its totient is φ = 7755351840.

The previous prime is 8424220999. The next prime is 8424221059. The reversal of 8424221039 is 9301224248.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8424221039 is a prime.

It is a super-2 number, since 2×8424221039² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8424221059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 863807 + ... + 873504.

It is an arithmetic number, because the mean of its divisors is an integer number (1137070704).

Almost surely, 2^8424221039 is an apocalyptic number.

8424221039 is a deficient number, since it is larger than the sum of its proper divisors (672344593).

8424221039 is a wasteful number, since it uses less digits than its factorization.

8424221039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1737697.

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 8424221039 is about 91783.5553843933. Note that the first 3 decimals coincide. The cubic root of 8424221039 is about 2034.7446621862.

The spelling of 8424221039 in words is "eight billion, four hundred twenty-four million, two hundred twenty-one thousand, thirty-nine".