11213444 has 24 divisors (see below), whose sum is σ = 22100736. Its totient is φ = 4932000.

The previous prime is 11213417. The next prime is 11213453. The reversal of 11213444 is 44431211.

It is a super-2 number, since 2×11213444² = 251482652682272, which contains 22 as substring.

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, 2747 + ... + 5474.

It is an arithmetic number, because the mean of its divisors is an integer number (920864).

Almost surely, 2^11213444 is an apocalyptic number.

It is an amenable number.

11213444 is a deficient number, since it is larger than the sum of its proper divisors (10887292).

11213444 is a wasteful number, since it uses less digits than its factorization.

11213444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8267 (or 8265 counting only the distinct ones).

The product of its digits is 384, while the sum is 20.

The square root of 11213444 is about 3348.6480854219. The cubic root of 11213444 is about 223.8272743716.

Adding to 11213444 its reverse (44431211), we get a palindrome (55644655).

The spelling of 11213444 in words is "eleven million, two hundred thirteen thousand, four hundred forty-four".