2214531641 has 4 divisors (see below), whose sum is σ = 2530893312. Its totient is φ = 1898169972.

The previous prime is 2214531619. The next prime is 2214531679. The reversal of 2214531641 is 1461354122.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1461354122 = 2 ⋅730677061.

It is a cyclic number.

It is not a de Polignac number, because 2214531641 - 2¹⁴ = 2214515257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2214539641) 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 3 ways as a sum of consecutive naturals, for example, 158180825 + ... + 158180838.

It is an arithmetic number, because the mean of its divisors is an integer number (632723328).

Almost surely, 2^2214531641 is an apocalyptic number.

It is an amenable number.

2214531641 is a deficient number, since it is larger than the sum of its proper divisors (316361671).

2214531641 is an equidigital number, since it uses as much as digits as its factorization.

2214531641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316361670.

The product of its digits is 5760, while the sum is 29.

The square root of 2214531641 is about 47058.8104503291. The cubic root of 2214531641 is about 1303.4487600771.

Adding to 2214531641 its reverse (1461354122), we get a palindrome (3675885763).

The spelling of 2214531641 in words is "two billion, two hundred fourteen million, five hundred thirty-one thousand, six hundred forty-one".