11220635 has 8 divisors (see below), whose sum is σ = 13778160. Its totient is φ = 8767584.

The previous prime is 11220631. The next prime is 11220637. The reversal of 11220635 is 53602211.

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 11220635 - 2² = 11220631 is a prime.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (11220631) 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, 25880 + ... + 26309.

It is an arithmetic number, because the mean of its divisors is an integer number (1722270).

Almost surely, 2^11220635 is an apocalyptic number.

11220635 is a deficient number, since it is larger than the sum of its proper divisors (2557525).

11220635 is an equidigital number, since it uses as much as digits as its factorization.

11220635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52237.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 11220635 is about 3349.7216302254. The cubic root of 11220635 is about 223.8751097495.

Adding to 11220635 its reverse (53602211), we get a palindrome (64822846).

The spelling of 11220635 in words is "eleven million, two hundred twenty thousand, six hundred thirty-five".