2208279 has 4 divisors (see below), whose sum is σ = 2944376. Its totient is φ = 1472184.

The previous prime is 2208277. The next prime is 2208281. The reversal of 2208279 is 9728022.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (2208277) and next prime (2208281).

It is not a de Polignac number, because 2208279 - 2¹ = 2208277 is a prime.

It is a super-2 number, since 2×2208279² = 9752992283682, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2208277) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 368044 + ... + 368049.

It is an arithmetic number, because the mean of its divisors is an integer number (736094).

2^2208279 is an apocalyptic number.

2208279 is a deficient number, since it is larger than the sum of its proper divisors (736097).

2208279 is an equidigital number, since it uses as much as digits as its factorization.

2208279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 736096.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 2208279 is about 1486.0279270592. The cubic root of 2208279 is about 130.2220858662. Note that the first 3 decimals are identical.

The spelling of 2208279 in words is "two million, two hundred eight thousand, two hundred seventy-nine".