2221489408 has 36 divisors (see below), whose sum is σ = 4627109088. Its totient is φ = 1062448640.

The previous prime is 2221489379. The next prime is 2221489411. The reversal of 2221489408 is 8049841222.

It is a congruent number.

It is an unprimeable number.

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, 182758 + ... + 194533.

It is an arithmetic number, because the mean of its divisors is an integer number (128530808).

Almost surely, 2^2221489408 is an apocalyptic number.

It is an amenable number.

2221489408 is an abundant number, since it is smaller than the sum of its proper divisors (2405619680).

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

2221489408 is an equidigital number, since it uses as much as digits as its factorization.

2221489408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377330 (or 377316 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 40.

The square root of 2221489408 is about 47132.6787696180. The cubic root of 2221489408 is about 1304.8124210848.

The spelling of 2221489408 in words is "two billion, two hundred twenty-one million, four hundred eighty-nine thousand, four hundred eight".