1681122202 has 8 divisors (see below), whose sum is σ = 2525079456. Its totient is φ = 839429052.

The previous prime is 1681122193. The next prime is 1681122227. The reversal of 1681122202 is 2022211861.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 564168 + ... + 567139.

It is an arithmetic number, because the mean of its divisors is an integer number (315634932).

Almost surely, 2^1681122202 is an apocalyptic number.

1681122202 is a deficient number, since it is larger than the sum of its proper divisors (843957254).

1681122202 is a wasteful number, since it uses less digits than its factorization.

1681122202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1132052.

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 1681122202 is about 41001.4902412095. The cubic root of 1681122202 is about 1189.0490253326.

The spelling of 1681122202 in words is "one billion, six hundred eighty-one million, one hundred twenty-two thousand, two hundred two".