2118228980 has 24 divisors (see below), whose sum is σ = 5083749888. Its totient is φ = 726249888.

The previous prime is 2118228967. The next prime is 2118229027. The reversal of 2118228980 is 898228112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7564964 + ... + 7565243.

It is an arithmetic number, because the mean of its divisors is an integer number (211822912).

Almost surely, 2^2118228980 is an apocalyptic number.

2118228980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2118228980 is an abundant number, since it is smaller than the sum of its proper divisors (2965520908).

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

2118228980 is a wasteful number, since it uses less digits than its factorization.

2118228980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15130223 (or 15130221 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 41.

The square root of 2118228980 is about 46024.2216664226. The cubic root of 2118228980 is about 1284.2738366143.

The spelling of 2118228980 in words is "two billion, one hundred eighteen million, two hundred twenty-eight thousand, nine hundred eighty".