22444150 has 12 divisors (see below), whose sum is σ = 41746212. Its totient is φ = 8977640.

The previous prime is 22444127. The next prime is 22444153. The reversal of 22444150 is 5144422.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22444153) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 224392 + ... + 224491.

It is an arithmetic number, because the mean of its divisors is an integer number (3478851).

Almost surely, 2^22444150 is an apocalyptic number.

22444150 is a deficient number, since it is larger than the sum of its proper divisors (19302062).

22444150 is a wasteful number, since it uses less digits than its factorization.

22444150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448895 (or 448890 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 22444150 is about 4737.5257255238. The cubic root of 22444150 is about 282.0770290722.

Adding to 22444150 its reverse (5144422), we get a palindrome (27588572).

The spelling of 22444150 in words is "twenty-two million, four hundred forty-four thousand, one hundred fifty".