4221267839 has 8 divisors (see below), whose sum is σ = 4313327760. Its totient is φ = 4129667776.

The previous prime is 4221267833. The next prime is 4221267847. The reversal of 4221267839 is 9387621224.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4221267839 - 2¹² = 4221263743 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4221267839.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4221267833) 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, 96374 + ... + 133155.

It is an arithmetic number, because the mean of its divisors is an integer number (539165970).

Almost surely, 2^4221267839 is an apocalyptic number.

4221267839 is a deficient number, since it is larger than the sum of its proper divisors (92059921).

4221267839 is a wasteful number, since it uses less digits than its factorization.

4221267839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229929.

The product of its digits is 290304, while the sum is 44.

The square root of 4221267839 is about 64971.2847264082. The cubic root of 4221267839 is about 1616.1474066135.

The spelling of 4221267839 in words is "four billion, two hundred twenty-one million, two hundred sixty-seven thousand, eight hundred thirty-nine".