671616222 has 16 divisors (see below), whose sum is σ = 1365253392. Its totient is φ = 220201920.

The previous prime is 671616221. The next prime is 671616233. The reversal of 671616222 is 222616176.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (671616221) 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 7 ways as a sum of consecutive naturals, for example, 917143 + ... + 917874.

It is an arithmetic number, because the mean of its divisors is an integer number (85328337).

Almost surely, 2^671616222 is an apocalyptic number.

671616222 is an abundant number, since it is smaller than the sum of its proper divisors (693637170).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

671616222 is a wasteful number, since it uses less digits than its factorization.

671616222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1835083.

The product of its digits is 12096, while the sum is 33.

The square root of 671616222 is about 25915.5594575923. The cubic root of 671616222 is about 875.7370538547.

The spelling of 671616222 in words is "six hundred seventy-one million, six hundred sixteen thousand, two hundred twenty-two".