11222559 has 12 divisors (see below), whose sum is σ = 17063800. Its totient is φ = 7087824.

The previous prime is 11222539. The next prime is 11222573. The reversal of 11222559 is 95522211.

It is not a de Polignac number, because 11222559 - 2⁸ = 11222303 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 (11222539) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32644 + ... + 32985.

Almost surely, 2^11222559 is an apocalyptic number.

11222559 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

11222559 is a deficient number, since it is larger than the sum of its proper divisors (5841241).

11222559 is a wasteful number, since it uses less digits than its factorization.

11222559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65654 (or 65651 counting only the distinct ones).

The product of its digits is 1800, while the sum is 27.

The square root of 11222559 is about 3350.0088059586. The cubic root of 11222559 is about 223.8879049581.

It can be divided in two parts, 11222 and 559, that added together give a triangular number (11781 = T₁₅₃).

The spelling of 11222559 in words is "eleven million, two hundred twenty-two thousand, five hundred fifty-nine".