22045141 has 8 divisors (see below), whose sum is σ = 23558040. Its totient is φ = 20556288.

The previous prime is 22045099. The next prime is 22045147. The reversal of 22045141 is 14154022.

It can be written as a sum of positive squares in 4 ways, for example, as 15563025 + 6482116 = 3945^2 + 2546^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22045141 - 2¹⁹ = 21520853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22045147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4096 + ... + 7801.

It is an arithmetic number, because the mean of its divisors is an integer number (2944755).

Almost surely, 2^22045141 is an apocalyptic number.

It is an amenable number.

22045141 is a deficient number, since it is larger than the sum of its proper divisors (1512899).

22045141 is a wasteful number, since it uses less digits than its factorization.

22045141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12023.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 22045141 is about 4695.2253407052. The cubic root of 22045141 is about 280.3954488908.

Adding to 22045141 its reverse (14154022), we get a palindrome (36199163).

The spelling of 22045141 in words is "twenty-two million, forty-five thousand, one hundred forty-one".