2217057 has 8 divisors (see below), whose sum is σ = 2964000. Its totient is φ = 1474080.

The previous prime is 2217049. The next prime is 2217067. The reversal of 2217057 is 7507122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2217057 - 2³ = 2217049 is a prime.

It is an Ulam number.

2217057 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2217067) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 757 + ... + 2237.

It is an arithmetic number, because the mean of its divisors is an integer number (370500).

2^2217057 is an apocalyptic number.

It is an amenable number.

2217057 is a deficient number, since it is larger than the sum of its proper divisors (746943).

2217057 is a wasteful number, since it uses less digits than its factorization.

2217057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1983.

The product of its (nonzero) digits is 980, while the sum is 24.

The square root of 2217057 is about 1488.9785089114. The cubic root of 2217057 is about 130.3944037959.

The spelling of 2217057 in words is "two million, two hundred seventeen thousand, fifty-seven".