22306044 has 24 divisors (see below), whose sum is σ = 54311040. Its totient is φ = 7111984.

The previous prime is 22306043. The next prime is 22306051. The reversal of 22306044 is 44060322.

It is a self number, because there is not a number n which added to its sum of digits gives 22306044.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22306043) 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, 40134 + ... + 40685.

It is an arithmetic number, because the mean of its divisors is an integer number (2262960).

Almost surely, 2^22306044 is an apocalyptic number.

It is an amenable number.

22306044 is an abundant number, since it is smaller than the sum of its proper divisors (32004996).

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

22306044 is a wasteful number, since it uses less digits than its factorization.

22306044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80849 (or 80847 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 22306044 is about 4722.9274819756. The cubic root of 22306044 is about 281.4972683709.

Adding to 22306044 its reverse (44060322), we get a palindrome (66366366).

The spelling of 22306044 in words is "twenty-two million, three hundred six thousand, forty-four".