4221420532 has 48 divisors (see below), whose sum is σ = 9054944640. Its totient is φ = 1681610112.

The previous prime is 4221420527. The next prime is 4221420563. The reversal of 4221420532 is 2350241224.

It is a junction number, because it is equal to n+sod(n) for n = 4221420497 and 4221420506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46663 + ... + 103054.

It is an arithmetic number, because the mean of its divisors is an integer number (188644680).

Almost surely, 2^4221420532 is an apocalyptic number.

It is an amenable number.

4221420532 is an abundant number, since it is smaller than the sum of its proper divisors (4833524108).

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

4221420532 is a wasteful number, since it uses less digits than its factorization.

4221420532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149800 (or 149798 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 4221420532 is about 64972.4597964399. The cubic root of 4221420532 is about 1616.1668929724.

Adding to 4221420532 its reverse (2350241224), we get a palindrome (6571661756).

The spelling of 4221420532 in words is "four billion, two hundred twenty-one million, four hundred twenty thousand, five hundred thirty-two".