2745531224 has 8 divisors (see below), whose sum is σ = 5147871060. Its totient is φ = 1372765608.

The previous prime is 2745531223. The next prime is 2745531227. The reversal of 2745531224 is 4221355472.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2745531221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171595694 + ... + 171595709.

Almost surely, 2^2745531224 is an apocalyptic number.

It is an amenable number.

2745531224 is a deficient number, since it is larger than the sum of its proper divisors (2402339836).

2745531224 is a wasteful number, since it uses less digits than its factorization.

2745531224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343191409 (or 343191405 counting only the distinct ones).

The product of its digits is 67200, while the sum is 35.

The square root of 2745531224 is about 52397.8169774276. The cubic root of 2745531224 is about 1400.2603638210.

Adding to 2745531224 its reverse (4221355472), we get a palindrome (6966886696).

The spelling of 2745531224 in words is "two billion, seven hundred forty-five million, five hundred thirty-one thousand, two hundred twenty-four".