2243423164 has 6 divisors (see below), whose sum is σ = 3925990544. Its totient is φ = 1121711580.

The previous prime is 2243423153. The next prime is 2243423177. The reversal of 2243423164 is 4613243422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280427892 + ... + 280427899.

Almost surely, 2^2243423164 is an apocalyptic number.

It is an amenable number.

2243423164 is a deficient number, since it is larger than the sum of its proper divisors (1682567380).

2243423164 is a wasteful number, since it uses less digits than its factorization.

2243423164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560855795 (or 560855793 counting only the distinct ones).

The product of its digits is 27648, while the sum is 31.

The square root of 2243423164 is about 47364.7882292321. The cubic root of 2243423164 is about 1309.0926965353.

Adding to 2243423164 its reverse (4613243422), we get a palindrome (6856666586).

The spelling of 2243423164 in words is "two billion, two hundred forty-three million, four hundred twenty-three thousand, one hundred sixty-four".