4245221764 has 24 divisors (see below), whose sum is σ = 8508886848. Its totient is φ = 1815428640.

The previous prime is 4245221707. The next prime is 4245221789. The reversal of 4245221764 is 4671225424.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151534 + ... + 177349.

It is an arithmetic number, because the mean of its divisors is an integer number (354536952).

Almost surely, 2^4245221764 is an apocalyptic number.

It is an amenable number.

4245221764 is an abundant number, since it is smaller than the sum of its proper divisors (4263665084).

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

4245221764 is a wasteful number, since it uses less digits than its factorization.

4245221764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329355 (or 329353 counting only the distinct ones).

The product of its digits is 107520, while the sum is 37.

The square root of 4245221764 is about 65155.3663484444. The cubic root of 4245221764 is about 1619.1986286951.

The spelling of 4245221764 in words is "four billion, two hundred forty-five million, two hundred twenty-one thousand, seven hundred sixty-four".