2228080920 has 64 divisors (see below), whose sum is σ = 7198420320. Its totient is φ = 548450304.

The previous prime is 2228080889. The next prime is 2228080927. The reversal of 2228080920 is 290808222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2228080927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 712569 + ... + 715688.

Almost surely, 2^2228080920 is an apocalyptic number.

2228080920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2228080920 is an abundant number, since it is smaller than the sum of its proper divisors (4970339400).

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

2228080920 is a wasteful number, since it uses less digits than its factorization.

2228080920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1428284 (or 1428280 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 2228080920 is about 47202.5520496509. The cubic root of 2228080920 is about 1306.1016753663.

The spelling of 2228080920 in words is "two billion, two hundred twenty-eight million, eighty thousand, nine hundred twenty".