11224442 has 4 divisors (see below), whose sum is σ = 16836666. Its totient is φ = 5612220.

The previous prime is 11224439. The next prime is 11224453. The reversal of 11224442 is 24442211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 11095561 + 128881 = 3331^2 + 359^2 .

It is a super-2 number, since 2×11224442² = 251976196422728, which contains 22 as substring.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 2806109 + ... + 2806112.

Almost surely, 2^11224442 is an apocalyptic number.

11224442 is a deficient number, since it is larger than the sum of its proper divisors (5612224).

11224442 is an equidigital number, since it uses as much as digits as its factorization.

11224442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5612223.

The product of its digits is 512, while the sum is 20.

The square root of 11224442 is about 3350.2898382080. The cubic root of 11224442 is about 223.9004260877.

Adding to 11224442 its reverse (24442211), we get a palindrome (35666653).

The spelling of 11224442 in words is "eleven million, two hundred twenty-four thousand, four hundred forty-two".