8044222520 has 48 divisors (see below), whose sum is σ = 19226832840. Its totient is φ = 3028408832.

The previous prime is 8044222493. The next prime is 8044222531. The reversal of 8044222520 is 252224408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 336374 + ... + 359493.

Almost surely, 2^8044222520 is an apocalyptic number.

It is an amenable number.

8044222520 is an abundant number, since it is smaller than the sum of its proper divisors (11182610320).

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

8044222520 is a wasteful number, since it uses less digits than its factorization.

8044222520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 695912 (or 695891 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 29.

The square root of 8044222520 is about 89689.5898084053. The cubic root of 8044222520 is about 2003.6784403904.

Adding to 8044222520 its reverse (252224408), we get a palindrome (8296446928).

The spelling of 8044222520 in words is "eight billion, forty-four million, two hundred twenty-two thousand, five hundred twenty".