11222004 has 12 divisors (see below), whose sum is σ = 26184704. Its totient is φ = 3740664.

The previous prime is 11221993. The next prime is 11222021. The reversal of 11222004 is 40022211.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Harshad number since it is a multiple of its sum of digits (12), and also a Moran number because the ratio is a prime number: 935167 = 11222004 / (1 + 1 + 2 + 2 + 2 + 0 + 0 + 4).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 467572 + ... + 467595.

Almost surely, 2^11222004 is an apocalyptic number.

It is an amenable number.

11222004 is an abundant number, since it is smaller than the sum of its proper divisors (14962700).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11222004 is a wasteful number, since it uses less digits than its factorization.

11222004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 935174 (or 935172 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 11222004 is about 3349.9259693313. The cubic root of 11222004 is about 223.8842141826.

Adding to 11222004 its reverse (40022211), we get a palindrome (51244215).

The spelling of 11222004 in words is "eleven million, two hundred twenty-two thousand, four".