2221448960 has 36 divisors (see below), whose sum is σ = 5321067528. Its totient is φ = 888579072.

The previous prime is 2221448947. The next prime is 2221448963. The reversal of 2221448960 is 698441222.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221448963) 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, 866474 + ... + 869033.

Almost surely, 2^2221448960 is an apocalyptic number.

2221448960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2221448960 is an abundant number, since it is smaller than the sum of its proper divisors (3099618568).

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

2221448960 is an equidigital number, since it uses as much as digits as its factorization.

2221448960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1735528 (or 1735514 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 38.

The square root of 2221448960 is about 47132.2496810835. The cubic root of 2221448960 is about 1304.8045018674.

The spelling of 2221448960 in words is "two billion, two hundred twenty-one million, four hundred forty-eight thousand, nine hundred sixty".