4221366028231 has 16 divisors (see below), whose sum is σ = 4791845910528. Its totient is φ = 3685087213600.

The previous prime is 4221366028213. The next prime is 4221366028237. The reversal of 4221366028231 is 1328206631224.

It is a happy number.

4221366028231 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 4221366028231 - 2⁵ = 4221366028199 is a prime.

It is a super-2 number, since 2×4221366028231² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4221366028237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77002015 + ... + 77056816.

It is an arithmetic number, because the mean of its divisors is an integer number (299490369408).

Almost surely, 2^{4221366028231} is an apocalyptic number.

4221366028231 is a deficient number, since it is larger than the sum of its proper divisors (570479882297).

4221366028231 is a wasteful number, since it uses less digits than its factorization.

4221366028231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154058942.

The product of its (nonzero) digits is 165888, while the sum is 40.

The spelling of 4221366028231 in words is "four trillion, two hundred twenty-one billion, three hundred sixty-six million, twenty-eight thousand, two hundred thirty-one".