4221323532 has 24 divisors (see below), whose sum is σ = 10944172400. Its totient is φ = 1407107808.

The previous prime is 4221323467. The next prime is 4221323539. The reversal of 4221323532 is 2353231224.

4221323532 is a `hidden beast` number, since 422 + 1 + 3 + 235 + 3 + 2 = 666.

4221323532 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 4221323496 and 4221323505.

It is not an unprimeable number, because it can be changed into a prime (4221323539) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19543057 + ... + 19543272.

Almost surely, 2^4221323532 is an apocalyptic number.

It is an amenable number.

4221323532 is an abundant number, since it is smaller than the sum of its proper divisors (6722848868).

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

4221323532 is a wasteful number, since it uses less digits than its factorization.

4221323532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39086342 (or 39086334 counting only the distinct ones).

The product of its digits is 8640, while the sum is 27.

The square root of 4221323532 is about 64971.7133220296. The cubic root of 4221323532 is about 1616.1545140913.

Adding to 4221323532 its reverse (2353231224), we get a palindrome (6574554756).

The spelling of 4221323532 in words is "four billion, two hundred twenty-one million, three hundred twenty-three thousand, five hundred thirty-two".