2217079 has 8 divisors (see below), whose sum is σ = 2322000. Its totient is φ = 2114112.

The previous prime is 2217073. The next prime is 2217101. The reversal of 2217079 is 9707122.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2217079 - 2¹³ = 2208887 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 (2217073) 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, 2152 + ... + 3010.

It is an arithmetic number, because the mean of its divisors is an integer number (290250).

2^2217079 is an apocalyptic number.

2217079 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

2217079 is a deficient number, since it is larger than the sum of its proper divisors (104921).

2217079 is an equidigital number, since it uses as much as digits as its factorization.

2217079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 977.

The product of its (nonzero) digits is 1764, while the sum is 28.

The square root of 2217079 is about 1488.9858965081. The cubic root of 2217079 is about 130.3948350985.

The spelling of 2217079 in words is "two million, two hundred seventeen thousand, seventy-nine".