2228228880 has 80 divisors (see below), whose sum is σ = 6912843264. Its totient is φ = 593735680.

The previous prime is 2228228861. The next prime is 2228228887. The reversal of 2228228880 is 888228222.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (2228228887) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 404545 + ... + 410015.

Almost surely, 2^2228228880 is an apocalyptic number.

2228228880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2228228880 is an abundant number, since it is smaller than the sum of its proper divisors (4684614384).

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

2228228880 is a wasteful number, since it uses less digits than its factorization.

2228228880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7184 (or 7178 counting only the distinct ones).

The product of its (nonzero) digits is 131072, while the sum is 42.

The square root of 2228228880 is about 47204.1193117719. The cubic root of 2228228880 is about 1306.1305861245.

The spelling of 2228228880 in words is "two billion, two hundred twenty-eight million, two hundred twenty-eight thousand, eight hundred eighty".