4221342100 has 72 divisors (see below), whose sum is σ = 9675179360. Its totient is φ = 1594235520.

The previous prime is 4221342091. The next prime is 4221342107. The reversal of 4221342100 is 12431224.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4221342107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 579682 + ... + 586918.

Almost surely, 2^4221342100 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4221342100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4837589680).

4221342100 is an abundant number, since it is smaller than the sum of its proper divisors (5453837260).

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

4221342100 is a wasteful number, since it uses less digits than its factorization.

4221342100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7577 (or 7570 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 4221342100 is about 64971.8562148258. The cubic root of 4221342100 is about 1616.1568837046.

Adding to 4221342100 its reverse (12431224), we get a palindrome (4233773324).

The spelling of 4221342100 in words is "four billion, two hundred twenty-one million, three hundred forty-two thousand, one hundred".