4221343412 has 48 divisors (see below), whose sum is σ = 8689125312. Its totient is φ = 1769095680.

The previous prime is 4221343409. The next prime is 4221343421. The reversal of 4221343412 is 2143431224.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 537788 + ... + 545580.

It is an arithmetic number, because the mean of its divisors is an integer number (181023444).

Almost surely, 2^4221343412 is an apocalyptic number.

It is an amenable number.

4221343412 is an abundant number, since it is smaller than the sum of its proper divisors (4467781900).

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

4221343412 is a wasteful number, since it uses less digits than its factorization.

4221343412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8768 (or 8766 counting only the distinct ones).

The product of its digits is 4608, while the sum is 26.

The square root of 4221343412 is about 64971.8663115044. The cubic root of 4221343412 is about 1616.1570511393.

Adding to 4221343412 its reverse (2143431224), we get a palindrome (6364774636).

The spelling of 4221343412 in words is "four billion, two hundred twenty-one million, three hundred forty-three thousand, four hundred twelve".