2229788284820 has 48 divisors (see below), whose sum is σ = 4713433578000. Its totient is φ = 886052766720.

The previous prime is 2229788284777. The next prime is 2229788284847. The reversal of 2229788284820 is 284828879222.

It can be written as a sum of positive squares in 8 ways, for example, as 692813181316 + 1536975103504 = 832354^2 + 1239748^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1283840 + ... + 2471400.

It is an arithmetic number, because the mean of its divisors is an integer number (98196532875).

Almost surely, 2^{2229788284820} is an apocalyptic number.

2229788284820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2229788284820 is an abundant number, since it is smaller than the sum of its proper divisors (2483645293180).

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

2229788284820 is a wasteful number, since it uses less digits than its factorization.

2229788284820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1188188 (or 1188186 counting only the distinct ones).

The product of its (nonzero) digits is 33030144, while the sum is 62.

The spelling of 2229788284820 in words is "two trillion, two hundred twenty-nine billion, seven hundred eighty-eight million, two hundred eighty-four thousand, eight hundred twenty".