17221242 has 16 divisors (see below), whose sum is σ = 35244000. Its totient is φ = 5606832.

The previous prime is 17221231. The next prime is 17221279. The reversal of 17221242 is 24212271.

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, 33117 + ... + 33632.

It is an arithmetic number, because the mean of its divisors is an integer number (2202750).

Almost surely, 2^17221242 is an apocalyptic number.

17221242 is an abundant number, since it is smaller than the sum of its proper divisors (18022758).

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

17221242 is a wasteful number, since it uses less digits than its factorization.

17221242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66797.

The product of its digits is 448, while the sum is 21.

The square root of 17221242 is about 4149.8484309671. The cubic root of 17221242 is about 258.2387969964.

The spelling of 17221242 in words is "seventeen million, two hundred twenty-one thousand, two hundred forty-two".