2243521141 has 8 divisors (see below), whose sum is σ = 2253273624. Its totient is φ = 2233781760.

The previous prime is 2243521139. The next prime is 2243521157. The reversal of 2243521141 is 1411253422.

It can be written as a sum of positive squares in 4 ways, for example, as 1263518116 + 980003025 = 35546^2 + 31305^2 .

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 2243521141 - 2¹ = 2243521139 is a prime.

It is a super-2 number, since 2×2243521141² = 10066774220227883762, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2243521541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 497091 + ... + 501583.

It is an arithmetic number, because the mean of its divisors is an integer number (281659203).

Almost surely, 2^2243521141 is an apocalyptic number.

It is an amenable number.

2243521141 is a deficient number, since it is larger than the sum of its proper divisors (9752483).

2243521141 is a wasteful number, since it uses less digits than its factorization.

2243521141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6551.

The product of its digits is 1920, while the sum is 25.

The square root of 2243521141 is about 47365.8224989285. The cubic root of 2243521141 is about 1309.1117535891. Note that the first 3 decimals are identical.

Adding to 2243521141 its reverse (1411253422), we get a palindrome (3654774563).

The spelling of 2243521141 in words is "two billion, two hundred forty-three million, five hundred twenty-one thousand, one hundred forty-one".