2221402304 has 56 divisors (see below), whose sum is σ = 4926183696. Its totient is φ = 985088000.

The previous prime is 2221402279. The next prime is 2221402319. The reversal of 2221402304 is 4032041222.

It is a super-3 number, since 3×2221402304³ (a number of 29 digits) contains 333 as substring.

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 7 ways as a sum of consecutive naturals, for example, 9617 + ... + 67344.

It is an arithmetic number, because the mean of its divisors is an integer number (87967566).

Almost surely, 2^2221402304 is an apocalyptic number.

It is an amenable number.

2221402304 is an abundant number, since it is smaller than the sum of its proper divisors (2704781392).

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

2221402304 is a wasteful number, since it uses less digits than its factorization.

2221402304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77025 (or 77015 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 2221402304 is about 47131.7547307545. The cubic root of 2221402304 is about 1304.7953670810.

Adding to 2221402304 its reverse (4032041222), we get a palindrome (6253443526).

The spelling of 2221402304 in words is "two billion, two hundred twenty-one million, four hundred two thousand, three hundred four".