22050945 has 24 divisors (see below), whose sum is σ = 43682496. Its totient is φ = 10080288.

The previous prime is 22050937. The next prime is 22050947. The reversal of 22050945 is 54905022.

It is not a de Polignac number, because 22050945 - 2³ = 22050937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22050947) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34687 + ... + 35316.

It is an arithmetic number, because the mean of its divisors is an integer number (1820104).

Almost surely, 2^22050945 is an apocalyptic number.

It is an amenable number.

22050945 is a deficient number, since it is larger than the sum of its proper divisors (21631551).

22050945 is a wasteful number, since it uses less digits than its factorization.

22050945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70021 (or 70018 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 22050945 is about 4695.8433747305. The cubic root of 22050945 is about 280.4200540465.

Adding to 22050945 its reverse (54905022), we get a palindrome (76955967).

The spelling of 22050945 in words is "twenty-two million, fifty thousand, nine hundred forty-five".