68222692 has 48 divisors (see below), whose sum is σ = 135475200. Its totient is φ = 29890080.

The previous prime is 68222689. The next prime is 68222699. The reversal of 68222692 is 29622286.

It is a plaindrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (68222699) 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, 53559 + ... + 54817.

It is an arithmetic number, because the mean of its divisors is an integer number (2822400).

Almost surely, 2^68222692 is an apocalyptic number.

68222692 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

68222692 is a deficient number, since it is larger than the sum of its proper divisors (67252508).

68222692 is a wasteful number, since it uses less digits than its factorization.

68222692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1336 (or 1334 counting only the distinct ones).

The product of its digits is 41472, while the sum is 37.

The square root of 68222692 is about 8259.7029002259. The cubic root of 68222692 is about 408.6105893596.

The spelling of 68222692 in words is "sixty-eight million, two hundred twenty-two thousand, six hundred ninety-two".