4423215252 has 12 divisors (see below), whose sum is σ = 10320835616. Its totient is φ = 1474405080.

The previous prime is 4423215239. The next prime is 4423215263. The reversal of 4423215252 is 2525123244.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 184300624 + ... + 184300647.

Almost surely, 2^4423215252 is an apocalyptic number.

It is an amenable number.

4423215252 is an abundant number, since it is smaller than the sum of its proper divisors (5897620364).

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

4423215252 is a wasteful number, since it uses less digits than its factorization.

4423215252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368601278 (or 368601276 counting only the distinct ones).

The product of its digits is 19200, while the sum is 30.

The square root of 4423215252 is about 66507.2571378492. The cubic root of 4423215252 is about 1641.5194192456.

Adding to 4423215252 its reverse (2525123244), we get a palindrome (6948338496).

The spelling of 4423215252 in words is "four billion, four hundred twenty-three million, two hundred fifteen thousand, two hundred fifty-two".