17220140 has 24 divisors (see below), whose sum is σ = 41328672. Its totient is φ = 5904000.

The previous prime is 17220109. The next prime is 17220157. The reversal of 17220140 is 4102271.

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, 61361 + ... + 61640.

It is an arithmetic number, because the mean of its divisors is an integer number (1722028).

Almost surely, 2^17220140 is an apocalyptic number.

17220140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

17220140 is an abundant number, since it is smaller than the sum of its proper divisors (24108532).

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

17220140 is a wasteful number, since it uses less digits than its factorization.

17220140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123017 (or 123015 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 17220140 is about 4149.7156529092. The cubic root of 17220140 is about 258.2332885817.

The spelling of 17220140 in words is "seventeen million, two hundred twenty thousand, one hundred forty".