11225566 has 8 divisors (see below), whose sum is σ = 18369144. Its totient is φ = 5102520.

The previous prime is 11225551. The next prime is 11225567. The reversal of 11225566 is 66552211.

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

It is a plaindrome in base 10.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11225567) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 255105 + ... + 255148.

It is an arithmetic number, because the mean of its divisors is an integer number (2296143).

Almost surely, 2^11225566 is an apocalyptic number.

11225566 is a deficient number, since it is larger than the sum of its proper divisors (7143578).

11225566 is a wasteful number, since it uses less digits than its factorization.

11225566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510266.

The product of its digits is 3600, while the sum is 28.

The square root of 11225566 is about 3350.4575806895. The cubic root of 11225566 is about 223.9078995306.

Adding to 11225566 its reverse (66552211), we get a palindrome (77777777).

The spelling of 11225566 in words is "eleven million, two hundred twenty-five thousand, five hundred sixty-six".