68227666 has 24 divisors (see below), whose sum is σ = 112015764. Its totient is φ = 31150080.

The previous prime is 68227661. The next prime is 68227669. The reversal of 68227666 is 66672286.

It can be written as a sum of positive squares in 6 ways, for example, as 6275025 + 61952641 = 2505^2 + 7871^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68227661) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31746 + ... + 33826.

Almost surely, 2^68227666 is an apocalyptic number.

68227666 is a deficient number, since it is larger than the sum of its proper divisors (43788098).

68227666 is a wasteful number, since it uses less digits than its factorization.

68227666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2206 (or 2193 counting only the distinct ones).

The product of its digits is 290304, while the sum is 43.

The square root of 68227666 is about 8260.0039951564. The cubic root of 68227666 is about 408.6205194851.

The spelling of 68227666 in words is "sixty-eight million, two hundred twenty-seven thousand, six hundred sixty-six".