8221974120 has 128 divisors (see below), whose sum is σ = 28849104000. Its totient is φ = 2077125120.

The previous prime is 8221974113. The next prime is 8221974133. The reversal of 8221974120 is 214791228.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 179821 + ... + 220860.

It is an arithmetic number, because the mean of its divisors is an integer number (225383625).

Almost surely, 2^8221974120 is an apocalyptic number.

It is an amenable number.

8221974120 is an abundant number, since it is smaller than the sum of its proper divisors (20627129880).

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

8221974120 is a wasteful number, since it uses less digits than its factorization.

8221974120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400720 (or 400710 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 8221974120 is about 90675.1019850543. The cubic root of 8221974120 is about 2018.3293476720.

The spelling of 8221974120 in words is "eight billion, two hundred twenty-one million, nine hundred seventy-four thousand, one hundred twenty".