22300044 has 24 divisors (see below), whose sum is σ = 56036400. Its totient is φ = 6861504.

The previous prime is 22300027. The next prime is 22300049. The reversal of 22300044 is 44000322.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22299996 and 22300032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22300049) 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, 71319 + ... + 71630.

It is an arithmetic number, because the mean of its divisors is an integer number (2334850).

Almost surely, 2^22300044 is an apocalyptic number.

It is an amenable number.

22300044 is an abundant number, since it is smaller than the sum of its proper divisors (33736356).

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

22300044 is a wasteful number, since it uses less digits than its factorization.

22300044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142969 (or 142967 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 22300044 is about 4722.2922400038. The cubic root of 22300044 is about 281.4720265565.

Adding to 22300044 its reverse (44000322), we get a palindrome (66300366).

The spelling of 22300044 in words is "twenty-two million, three hundred thousand, forty-four".