2243662431 has 32 divisors (see below), whose sum is σ = 3216438720. Its totient is φ = 1386215424.

The previous prime is 2243662361. The next prime is 2243662439. The reversal of 2243662431 is 1342663422.

It is not a de Polignac number, because 2243662431 - 2¹⁴ = 2243646047 is a prime.

It is a super-2 number, since 2×2243662431² = 10068042208561659522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2243662392 and 2243662401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2243662439) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 960541 + ... + 962873.

It is an arithmetic number, because the mean of its divisors is an integer number (100513710).

Almost surely, 2^2243662431 is an apocalyptic number.

2243662431 is a deficient number, since it is larger than the sum of its proper divisors (972776289).

2243662431 is a wasteful number, since it uses less digits than its factorization.

2243662431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2635.

The product of its digits is 41472, while the sum is 33.

The square root of 2243662431 is about 47367.3139517115. The cubic root of 2243662431 is about 1309.1392342776.

Subtracting from 2243662431 its reverse (1342663422), we obtain a palindrome (900999009).

The spelling of 2243662431 in words is "two billion, two hundred forty-three million, six hundred sixty-two thousand, four hundred thirty-one".