17220983 has 16 divisors (see below), whose sum is σ = 20321280. Its totient is φ = 14439936.

The previous prime is 17220967. The next prime is 17220991. The reversal of 17220983 is 38902271.

It is not a de Polignac number, because 17220983 - 2⁴ = 17220967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17220913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5066 + ... + 7752.

It is an arithmetic number, because the mean of its divisors is an integer number (1270080).

Almost surely, 2^17220983 is an apocalyptic number.

17220983 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

17220983 is a deficient number, since it is larger than the sum of its proper divisors (3100297).

17220983 is a wasteful number, since it uses less digits than its factorization.

17220983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2746.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 17220983 is about 4149.8172248908. The cubic root of 17220983 is about 258.2375023901.

The spelling of 17220983 in words is "seventeen million, two hundred twenty thousand, nine hundred eighty-three".