2838402220 has 24 divisors (see below), whose sum is σ = 5974492608. Its totient is φ = 1132723200.

The previous prime is 2838402197. The next prime is 2838402251. The reversal of 2838402220 is 222048382.

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, 156021 + ... + 173260.

It is an arithmetic number, because the mean of its divisors is an integer number (248937192).

Almost surely, 2^2838402220 is an apocalyptic number.

2838402220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2838402220 is an abundant number, since it is smaller than the sum of its proper divisors (3136090388).

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

2838402220 is a wasteful number, since it uses less digits than its factorization.

2838402220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329721 (or 329719 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 31.

The square root of 2838402220 is about 53276.6573651163. The cubic root of 2838402220 is about 1415.8741276548.

The spelling of 2838402220 in words is "two billion, eight hundred thirty-eight million, four hundred two thousand, two hundred twenty".