11224628 has 6 divisors (see below), whose sum is σ = 19643106. Its totient is φ = 5612312.

The previous prime is 11224613. The next prime is 11224637. The reversal of 11224628 is 82642211.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 9314704 + 1909924 = 3052^2 + 1382^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11224597 and 11224606.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1403075 + ... + 1403082.

It is an arithmetic number, because the mean of its divisors is an integer number (3273851).

Almost surely, 2^11224628 is an apocalyptic number.

It is an amenable number.

11224628 is a deficient number, since it is larger than the sum of its proper divisors (8418478).

11224628 is a wasteful number, since it uses less digits than its factorization.

11224628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2806161 (or 2806159 counting only the distinct ones).

The product of its digits is 1536, while the sum is 26.

The square root of 11224628 is about 3350.3175968854. The cubic root of 11224628 is about 223.9016628307.

Adding to 11224628 its reverse (82642211), we get a palindrome (93866839).

The spelling of 11224628 in words is "eleven million, two hundred twenty-four thousand, six hundred twenty-eight".