6242221042231 has 4 divisors (see below), whose sum is σ = 6242496647464. Its totient is φ = 6241945437000.

The previous prime is 6242221042223. The next prime is 6242221042283. The reversal of 6242221042231 is 1322401222426.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6242221042231 - 2³ = 6242221042223 is a prime.

It is a super-2 number, since 2×6242221042231² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6242221042193 and 6242221042202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6242221042831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137768640 + ... + 137813941.

It is an arithmetic number, because the mean of its divisors is an integer number (1560624161866).

Almost surely, 2^{6242221042231} is an apocalyptic number.

6242221042231 is a deficient number, since it is larger than the sum of its proper divisors (275605233).

6242221042231 is a wasteful number, since it uses less digits than its factorization.

6242221042231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275605232.

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 6242221042231 its reverse (1322401222426), we get a palindrome (7564622264657).

The spelling of 6242221042231 in words is "six trillion, two hundred forty-two billion, two hundred twenty-one million, forty-two thousand, two hundred thirty-one".