2221023241 has 4 divisors (see below), whose sum is σ = 2292669184. Its totient is φ = 2149377300.

The previous prime is 2221023227. The next prime is 2221023251. The reversal of 2221023241 is 1423201222.

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 2221023241 - 2⁹ = 2221022729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2221023251) 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, 35822925 + ... + 35822986.

It is an arithmetic number, because the mean of its divisors is an integer number (573167296).

Almost surely, 2^2221023241 is an apocalyptic number.

It is an amenable number.

2221023241 is a deficient number, since it is larger than the sum of its proper divisors (71645943).

2221023241 is an equidigital number, since it uses as much as digits as its factorization.

2221023241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71645942.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 2221023241 is about 47127.7332469959. The cubic root of 2221023241 is about 1304.7211455287.

Adding to 2221023241 its reverse (1423201222), we get a palindrome (3644224463).

It can be divided in two parts, 22210 and 23241, that added together give a triangular number (45451 = T₃₀₁).

The spelling of 2221023241 in words is "two billion, two hundred twenty-one million, twenty-three thousand, two hundred forty-one".