11322444 has 48 divisors (see below), whose sum is σ = 31017728. Its totient is φ = 3146688.

The previous prime is 11322439. The next prime is 11322473. The reversal of 11322444 is 44422311.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 11322444.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1287 + ... + 4929.

Almost surely, 2^11322444 is an apocalyptic number.

11322444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11322444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15508864).

11322444 is an abundant number, since it is smaller than the sum of its proper divisors (19695284).

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

11322444 is a wasteful number, since it uses less digits than its factorization.

11322444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3694 (or 3692 counting only the distinct ones).

The product of its digits is 768, while the sum is 21.

The square root of 11322444 is about 3364.8839504506. The cubic root of 11322444 is about 224.5501728957.

Adding to 11322444 its reverse (44422311), we get a palindrome (55744755).

The spelling of 11322444 in words is "eleven million, three hundred twenty-two thousand, four hundred forty-four".