4321221024 has 48 divisors (see below), whose sum is σ = 12010457088. Its totient is φ = 1355676672.

The previous prime is 4321221017. The next prime is 4321221061. The reversal of 4321221024 is 4201221234.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×4321221024² = 37345902276519217152, which contains 22 as substring.

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, 1322272 + ... + 1325535.

It is an arithmetic number, because the mean of its divisors is an integer number (250217856).

Almost surely, 2^4321221024 is an apocalyptic number.

It is an amenable number.

4321221024 is an abundant number, since it is smaller than the sum of its proper divisors (7689236064).

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

4321221024 is a wasteful number, since it uses less digits than its factorization.

4321221024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2647837 (or 2647829 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 4321221024 is about 65735.9948886453. The cubic root of 4321221024 is about 1628.8039985145.

Adding to 4321221024 its reverse (4201221234), we get a palindrome (8522442258).

The spelling of 4321221024 in words is "four billion, three hundred twenty-one million, two hundred twenty-one thousand, twenty-four".