2243444431 has 8 divisors (see below), whose sum is σ = 2265507200. Its totient is φ = 2221408800.

The previous prime is 2243444419. The next prime is 2243444453. The reversal of 2243444431 is 1344443422.

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 2243444431 - 2⁹ = 2243443919 is a prime.

It is a super-2 number, since 2×2243444431² = 10066085829969827522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2243444393 and 2243444402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2243444131) 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, 185881 + ... + 197581.

It is an arithmetic number, because the mean of its divisors is an integer number (283188400).

Almost surely, 2^2243444431 is an apocalyptic number.

2243444431 is a deficient number, since it is larger than the sum of its proper divisors (22062769).

2243444431 is a wasteful number, since it uses less digits than its factorization.

2243444431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13569.

The product of its digits is 36864, while the sum is 31.

The square root of 2243444431 is about 47365.0127309177. The cubic root of 2243444431 is about 1309.0968331284.

Adding to 2243444431 its reverse (1344443422), we get a palindrome (3587887853).

The spelling of 2243444431 in words is "two billion, two hundred forty-three million, four hundred forty-four thousand, four hundred thirty-one".