22103444 has 24 divisors (see below), whose sum is σ = 42402528. Its totient is φ = 9998240.

The previous prime is 22103407. The next prime is 22103447. The reversal of 22103444 is 44430122.

It is a super-2 number, since 2×22103444² = 977124473322272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22103447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8882 + ... + 11094.

It is an arithmetic number, because the mean of its divisors is an integer number (1766772).

Almost surely, 2^22103444 is an apocalyptic number.

It is an amenable number.

22103444 is a deficient number, since it is larger than the sum of its proper divisors (20299084).

22103444 is a wasteful number, since it uses less digits than its factorization.

22103444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2455 (or 2453 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 22103444 is about 4701.4299952249. The cubic root of 22103444 is about 280.6424194920.

Adding to 22103444 its reverse (44430122), we get a palindrome (66533566).

The spelling of 22103444 in words is "twenty-two million, one hundred three thousand, four hundred forty-four".