68226831 has 24 divisors (see below), whose sum is σ = 104775840. Its totient is φ = 42781248.

The previous prime is 68226803. The next prime is 68226857. The reversal of 68226831 is 13862286.

It is not a de Polignac number, because 68226831 - 2¹⁷ = 68095759 is a prime.

It is a super-2 number, since 2×68226831² = 9309800936605122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68226881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43446 + ... + 44988.

It is an arithmetic number, because the mean of its divisors is an integer number (4365660).

Almost surely, 2^68226831 is an apocalyptic number.

68226831 is a deficient number, since it is larger than the sum of its proper divisors (36549009).

68226831 is a wasteful number, since it uses less digits than its factorization.

68226831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1600 (or 1563 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 68226831 is about 8259.9534502320. The cubic root of 68226831 is about 408.6188525194.

The spelling of 68226831 in words is "sixty-eight million, two hundred twenty-six thousand, eight hundred thirty-one".