2228468420 has 12 divisors (see below), whose sum is σ = 4679783724. Its totient is φ = 891387360.

The previous prime is 2228468399. The next prime is 2228468461. The reversal of 2228468420 is 248648222.

It can be written as a sum of positive squares in 2 ways, for example, as 843437764 + 1385030656 = 29042^2 + 37216^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55711691 + ... + 55711730.

It is an arithmetic number, because the mean of its divisors is an integer number (389981977).

Almost surely, 2^2228468420 is an apocalyptic number.

2228468420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2228468420 is an abundant number, since it is smaller than the sum of its proper divisors (2451315304).

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

2228468420 is a wasteful number, since it uses less digits than its factorization.

2228468420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111423430 (or 111423428 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 38.

The square root of 2228468420 is about 47206.6565221474. The cubic root of 2228468420 is about 1306.1773885143.

The spelling of 2228468420 in words is "two billion, two hundred twenty-eight million, four hundred sixty-eight thousand, four hundred twenty".