11122279 has 8 divisors (see below), whose sum is σ = 12812288. Its totient is φ = 9457560.

The previous prime is 11122259. The next prime is 11122289. The reversal of 11122279 is 97222111.

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

It is not a de Polignac number, because 11122279 - 2⁵ = 11122247 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11122219) 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, 5367 + ... + 7144.

It is an arithmetic number, because the mean of its divisors is an integer number (1601536).

Almost surely, 2^11122279 is an apocalyptic number.

11122279 is a deficient number, since it is larger than the sum of its proper divisors (1690009).

11122279 is a wasteful number, since it uses less digits than its factorization.

11122279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12645.

The product of its digits is 504, while the sum is 25.

The square root of 11122279 is about 3335.0080959422. The cubic root of 11122279 is about 223.2190531882.

The spelling of 11122279 in words is "eleven million, one hundred twenty-two thousand, two hundred seventy-nine".