68266231 has 16 divisors (see below), whose sum is σ = 79377408. Its totient is φ = 58088800.

The previous prime is 68266201. The next prime is 68266243. The reversal of 68266231 is 13266286.

It is a happy number.

It is not a de Polignac number, because 68266231 - 2⁷ = 68266103 is a prime.

It is a super-2 number, since 2×68266231² = 9320556589890722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68266201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9021 + ... + 14761.

It is an arithmetic number, because the mean of its divisors is an integer number (4961088).

Almost surely, 2^68266231 is an apocalyptic number.

68266231 is a deficient number, since it is larger than the sum of its proper divisors (11111177).

68266231 is a wasteful number, since it uses less digits than its factorization.

68266231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5822.

The product of its digits is 20736, while the sum is 34.

The square root of 68266231 is about 8262.3381073398. The cubic root of 68266231 is about 408.6974945261.

Subtracting from 68266231 its reverse (13266286), we obtain a palindrome (54999945).

The spelling of 68266231 in words is "sixty-eight million, two hundred sixty-six thousand, two hundred thirty-one".