17220040 has 32 divisors (see below), whose sum is σ = 39015360. Its totient is φ = 6840000.

The previous prime is 17220037. The next prime is 17220053. The reversal of 17220040 is 4002271.

It is a junction number, because it is equal to n+sod(n) for n = 17219996 and 17220023.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4615 + ... + 7465.

It is an arithmetic number, because the mean of its divisors is an integer number (1219230).

Almost surely, 2^17220040 is an apocalyptic number.

17220040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

17220040 is an abundant number, since it is smaller than the sum of its proper divisors (21795320).

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

17220040 is a wasteful number, since it uses less digits than its factorization.

17220040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3013 (or 3009 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 16.

The square root of 17220040 is about 4149.7036038734. The cubic root of 17220040 is about 258.2327887140.

The spelling of 17220040 in words is "seventeen million, two hundred twenty thousand, forty".