2281856408 has 16 divisors (see below), whose sum is σ = 4607594880. Its totient is φ = 1053164448.

The previous prime is 2281856407. The next prime is 2281856413. The reversal of 2281856408 is 8046581822.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2281856407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10970360 + ... + 10970567.

It is an arithmetic number, because the mean of its divisors is an integer number (287974680).

Almost surely, 2^2281856408 is an apocalyptic number.

It is an amenable number.

2281856408 is an abundant number, since it is smaller than the sum of its proper divisors (2325738472).

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

2281856408 is a wasteful number, since it uses less digits than its factorization.

2281856408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21940946 (or 21940942 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 44.

The square root of 2281856408 is about 47768.7806836222. The cubic root of 2281856408 is about 1316.5259905321.

The spelling of 2281856408 in words is "two billion, two hundred eighty-one million, eight hundred fifty-six thousand, four hundred eight".