11220351 has 8 divisors (see below), whose sum is σ = 15098160. Its totient is φ = 7411392.

The previous prime is 11220337. The next prime is 11220353. The reversal of 11220351 is 15302211.

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

It is not a de Polignac number, because 11220351 - 2¹⁷ = 11089279 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11220351.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11220353) 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, 16830 + ... + 17483.

It is an arithmetic number, because the mean of its divisors is an integer number (1887270).

Almost surely, 2^11220351 is an apocalyptic number.

11220351 is a deficient number, since it is larger than the sum of its proper divisors (3877809).

11220351 is a wasteful number, since it uses less digits than its factorization.

11220351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34425.

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 11220351 is about 3349.6792383749. The cubic root of 11220351 is about 223.8732209358.

Adding to 11220351 its reverse (15302211), we get a palindrome (26522562).

The spelling of 11220351 in words is "eleven million, two hundred twenty thousand, three hundred fifty-one".