2243441021 has 8 divisors (see below), whose sum is σ = 2302132800. Its totient is φ = 2185045632.

The previous prime is 2243441003. The next prime is 2243441041. The reversal of 2243441021 is 1201443422.

2243441021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2243441021 - 2¹⁰ = 2243439997 is a prime.

It is a super-2 number, since 2×2243441021² = 10066055229411044882, 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 (2243441041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58721 + ... + 89078.

It is an arithmetic number, because the mean of its divisors is an integer number (287766600).

Almost surely, 2^2243441021 is an apocalyptic number.

It is an amenable number.

2243441021 is a deficient number, since it is larger than the sum of its proper divisors (58691779).

2243441021 is a wasteful number, since it uses less digits than its factorization.

2243441021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148195.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 2243441021 is about 47364.9767338695. The cubic root of 2243441021 is about 1309.0961698592.

Adding to 2243441021 its reverse (1201443422), we get a palindrome (3444884443).

The spelling of 2243441021 in words is "two billion, two hundred forty-three million, four hundred forty-one thousand, twenty-one".