22550141 has 4 divisors (see below), whose sum is σ = 22573500. Its totient is φ = 22526784.

The previous prime is 22550119. The next prime is 22550147. The reversal of 22550141 is 14105522.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5152900 + 17397241 = 2270^2 + 4171^2 .

It is a cyclic number.

It is not a de Polignac number, because 22550141 - 2¹⁰ = 22549117 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22550147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10166 + ... + 12183.

It is an arithmetic number, because the mean of its divisors is an integer number (5643375).

Almost surely, 2^22550141 is an apocalyptic number.

It is an amenable number.

22550141 is a deficient number, since it is larger than the sum of its proper divisors (23359).

22550141 is a wasteful number, since it uses less digits than its factorization.

22550141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23358.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 22550141 is about 4748.6988744287. The cubic root of 22550141 is about 282.5203619124.

Adding to 22550141 its reverse (14105522), we get a palindrome (36655663).

The spelling of 22550141 in words is "twenty-two million, five hundred fifty thousand, one hundred forty-one".