11220310 has 16 divisors (see below), whose sum is σ = 20627136. Its totient is φ = 4392448.

The previous prime is 11220301. The next prime is 11220311. The reversal of 11220310 is 1302211.

It is a super-2 number, since 2×11220310² = 251790712992200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11220311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11467 + ... + 12406.

It is an arithmetic number, because the mean of its divisors is an integer number (1289196).

Almost surely, 2^11220310 is an apocalyptic number.

11220310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11220310 is a deficient number, since it is larger than the sum of its proper divisors (9406826).

11220310 is a wasteful number, since it uses less digits than its factorization.

11220310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23927.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 11220310 is about 3349.6731183804. The cubic root of 11220310 is about 223.8729482523.

Adding to 11220310 its reverse (1302211), we get a palindrome (12522521).

The spelling of 11220310 in words is "eleven million, two hundred twenty thousand, three hundred ten".