2241184821 has 4 divisors (see below), whose sum is σ = 2988246432. Its totient is φ = 1494123212.

The previous prime is 2241184787. The next prime is 2241184867. The reversal of 2241184821 is 1284811422.

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.

It is a cyclic number.

It is not a de Polignac number, because 2241184821 - 2²³ = 2232796213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2241184921) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 373530801 + ... + 373530806.

It is an arithmetic number, because the mean of its divisors is an integer number (747061608).

Almost surely, 2^2241184821 is an apocalyptic number.

It is an amenable number.

2241184821 is a deficient number, since it is larger than the sum of its proper divisors (747061611).

2241184821 is an equidigital number, since it uses as much as digits as its factorization.

2241184821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 747061610.

The product of its digits is 8192, while the sum is 33.

The square root of 2241184821 is about 47341.1535664267. The cubic root of 2241184821 is about 1308.6571755597.

The spelling of 2241184821 in words is "two billion, two hundred forty-one million, one hundred eighty-four thousand, eight hundred twenty-one".