2122279 has 8 divisors (see below), whose sum is σ = 2257632. Its totient is φ = 1990560.

The previous prime is 2122277. The next prime is 2122303. The reversal of 2122279 is 9722212.

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 2122279 - 2¹ = 2122277 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 (2122277) 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, 349 + ... + 2089.

It is an arithmetic number, because the mean of its divisors is an integer number (282204).

2^2122279 is an apocalyptic number.

2122279 is a deficient number, since it is larger than the sum of its proper divisors (135353).

2122279 is a wasteful number, since it uses less digits than its factorization.

2122279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1817.

The product of its digits is 1008, while the sum is 25.

The square root of 2122279 is about 1456.8043794553. The cubic root of 2122279 is about 128.5091819205.

It can be divided in two parts, 2122 and 279, that added together give a 4-th power (2401 = 7⁴).

The spelling of 2122279 in words is "two million, one hundred twenty-two thousand, two hundred seventy-nine".