2321221148 has 12 divisors (see below), whose sum is σ = 4148565792. Its totient is φ = 1135916640.

The previous prime is 2321221121. The next prime is 2321221169. The reversal of 2321221148 is 8411221232.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 6173273 + ... + 6173648.

It is an arithmetic number, because the mean of its divisors is an integer number (345713816).

Almost surely, 2^2321221148 is an apocalyptic number.

It is an amenable number.

2321221148 is a deficient number, since it is larger than the sum of its proper divisors (1827344644).

2321221148 is a wasteful number, since it uses less digits than its factorization.

2321221148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12346972 (or 12346970 counting only the distinct ones).

The product of its digits is 1536, while the sum is 26.

The square root of 2321221148 is about 48179.0530002407. The cubic root of 2321221148 is about 1324.0534163363.

The spelling of 2321221148 in words is "two billion, three hundred twenty-one million, two hundred twenty-one thousand, one hundred forty-eight".