2221793860 has 48 divisors (see below), whose sum is σ = 5481467712. Its totient is φ = 745776000.

The previous prime is 2221793851. The next prime is 2221793897. The reversal of 2221793860 is 683971222.

It is an unprimeable number.

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, 385566 + ... + 391285.

It is an arithmetic number, because the mean of its divisors is an integer number (114197244).

Almost surely, 2^2221793860 is an apocalyptic number.

2221793860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2221793860 is an abundant number, since it is smaller than the sum of its proper divisors (3259673852).

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

2221793860 is a wasteful number, since it uses less digits than its factorization.

2221793860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 776884 (or 776882 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 2221793860 is about 47135.9083926469. The cubic root of 2221793860 is about 1304.8720259313.

The spelling of 2221793860 in words is "two billion, two hundred twenty-one million, seven hundred ninety-three thousand, eight hundred sixty".