11022444 has 36 divisors (see below), whose sum is σ = 28007616. Its totient is φ = 3655008.

The previous prime is 11022437. The next prime is 11022461. The reversal of 11022444 is 44422011.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7342 + ... + 8714.

Almost surely, 2^11022444 is an apocalyptic number.

It is an amenable number.

11022444 is an abundant number, since it is smaller than the sum of its proper divisors (16985172).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11022444 is a wasteful number, since it uses less digits than its factorization.

11022444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1606 (or 1601 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 11022444 is about 3320.0066264994. The cubic root of 11022444 is about 222.5491639034.

Adding to 11022444 its reverse (44422011), we get a palindrome (55444455).

The spelling of 11022444 in words is "eleven million, twenty-two thousand, four hundred forty-four".