11222356 has 18 divisors (see below), whose sum is σ = 20141870. Its totient is φ = 5471040.

The previous prime is 11222339. The next prime is 11222357. The reversal of 11222356 is 65322211.

It can be written as a sum of positive squares in 3 ways, for example, as 266256 + 10956100 = 516^2 + 3310^2 .

It is a plaindrome in base 10.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11222357) 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 5 ways as a sum of consecutive naturals, for example, 5890 + ... + 7558.

Almost surely, 2^11222356 is an apocalyptic number.

It is an amenable number.

11222356 is a deficient number, since it is larger than the sum of its proper divisors (8919514).

11222356 is a wasteful number, since it uses less digits than its factorization.

11222356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1755 (or 1712 counting only the distinct ones).

The product of its digits is 720, while the sum is 22.

The square root of 11222356 is about 3349.9785073937. The cubic root of 11222356 is about 223.8865550129.

Adding to 11222356 its reverse (65322211), we get a palindrome (76544567).

The spelling of 11222356 in words is "eleven million, two hundred twenty-two thousand, three hundred fifty-six".