11222013 has 8 divisors (see below), whose sum is σ = 16322976. Its totient is φ = 6801200.

The previous prime is 11221993. The next prime is 11222021. The reversal of 11222013 is 31022211.

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 11222013 - 2⁶ = 11221949 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 11222013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11222033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169998 + ... + 170063.

It is an arithmetic number, because the mean of its divisors is an integer number (2040372).

Almost surely, 2^11222013 is an apocalyptic number.

It is an amenable number.

11222013 is a deficient number, since it is larger than the sum of its proper divisors (5100963).

11222013 is a wasteful number, since it uses less digits than its factorization.

11222013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340075.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 11222013 is about 3349.9273126443. The cubic root of 11222013 is about 223.8842740340.

Adding to 11222013 its reverse (31022211), we get a palindrome (42244224).

The spelling of 11222013 in words is "eleven million, two hundred twenty-two thousand, thirteen".