86668222346 has 4 divisors (see below), whose sum is σ = 130002333522. Its totient is φ = 43334111172.

The previous prime is 86668222343. The next prime is 86668222373. The reversal of 86668222346 is 64322286668.

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

It can be written as a sum of positive squares in only one way, i.e., 50059140121 + 36609082225 = 223739^2 + 191335^2 .

It is a super-2 number, since 2×86668222346² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (86668222343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21667055585 + ... + 21667055588.

Almost surely, 2^86668222346 is an apocalyptic number.

86668222346 is a deficient number, since it is larger than the sum of its proper divisors (43334111176).

86668222346 is a wasteful number, since it uses less digits than its factorization.

86668222346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43334111175.

The product of its digits is 7962624, while the sum is 53.

The spelling of 86668222346 in words is "eighty-six billion, six hundred sixty-eight million, two hundred twenty-two thousand, three hundred forty-six".