983222645 has 18 divisors (see below), whose sum is σ = 1215825282. Its totient is φ = 763299936.

The previous prime is 983222627. The next prime is 983222689. The reversal of 983222645 is 546222389.

It can be written as a sum of positive squares in 3 ways, for example, as 483208324 + 500014321 = 21982^2 + 22361^2 .

It is not a de Polignac number, because 983222645 - 2⁸ = 983222389 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2594066 + ... + 2594444.

It is an arithmetic number, because the mean of its divisors is an integer number (67545849).

Almost surely, 2^983222645 is an apocalyptic number.

It is an amenable number.

983222645 is a deficient number, since it is larger than the sum of its proper divisors (232602637).

983222645 is an frugal number, since it uses more digits than its factorization.

983222645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 837 (or 421 counting only the distinct ones).

The product of its digits is 207360, while the sum is 41.

The square root of 983222645 is about 31356.3812484796. The cubic root of 983222645 is about 994.3759780052.

The spelling of 983222645 in words is "nine hundred eighty-three million, two hundred twenty-two thousand, six hundred forty-five".