2243442001 has 8 divisors (see below), whose sum is σ = 2322913320. Its totient is φ = 2164111488.

The previous prime is 2243441999. The next prime is 2243442013. The reversal of 2243442001 is 1002443422.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 167728401 + 2075713600 = 12951^2 + 45560^2 .

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 2243442001 - 2¹ = 2243441999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2243442041) 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, 2236 + ... + 67021.

It is an arithmetic number, because the mean of its divisors is an integer number (290364165).

Almost surely, 2^2243442001 is an apocalyptic number.

It is an amenable number.

2243442001 is a deficient number, since it is larger than the sum of its proper divisors (79471319).

2243442001 is a wasteful number, since it uses less digits than its factorization.

2243442001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70403.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 2243442001 is about 47364.9870790651. The cubic root of 2243442001 is about 1309.0963604762.

Adding to 2243442001 its reverse (1002443422), we get a palindrome (3245885423).

The spelling of 2243442001 in words is "two billion, two hundred forty-three million, four hundred forty-two thousand, one".