11220716 has 48 divisors (see below), whose sum is σ = 22884960. Its totient is φ = 4769280.

The previous prime is 11220707. The next prime is 11220749. The reversal of 11220716 is 61702211.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40370 + ... + 40646.

It is an arithmetic number, because the mean of its divisors is an integer number (476770).

Almost surely, 2^11220716 is an apocalyptic number.

It is an amenable number.

11220716 is an abundant number, since it is smaller than the sum of its proper divisors (11664244).

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

11220716 is a wasteful number, since it uses less digits than its factorization.

11220716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354 (or 352 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 20.

The square root of 11220716 is about 3349.7337207605. The cubic root of 11220716 is about 223.8756484546.

Adding to 11220716 its reverse (61702211), we get a palindrome (72922927).

The spelling of 11220716 in words is "eleven million, two hundred twenty thousand, seven hundred sixteen".