11220430 has 16 divisors (see below), whose sum is σ = 21750624. Its totient is φ = 4142880.

The previous prime is 11220427. The next prime is 11220457. The reversal of 11220430 is 3402211.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a self number, because there is not a number n which added to its sum of digits gives 11220430.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43026 + ... + 43285.

It is an arithmetic number, because the mean of its divisors is an integer number (1359414).

Almost surely, 2^11220430 is an apocalyptic number.

11220430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11220430 is a deficient number, since it is larger than the sum of its proper divisors (10530194).

11220430 is a wasteful number, since it uses less digits than its factorization.

11220430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86331.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 11220430 is about 3349.6910305280. The cubic root of 11220430 is about 223.8737463485.

Adding to 11220430 its reverse (3402211), we get a palindrome (14622641).

The spelling of 11220430 in words is "eleven million, two hundred twenty thousand, four hundred thirty".