2203530745 has 32 divisors (see below), whose sum is σ = 2938108320. Its totient is φ = 1575936000.

The previous prime is 2203530731. The next prime is 2203530787. The reversal of 2203530745 is 5470353022.

It can be written as a sum of positive squares in 16 ways, for example, as 439866729 + 1763664016 = 20973^2 + 41996^2 .

It is not a de Polignac number, because 2203530745 - 2¹³ = 2203522553 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 548745 + ... + 552745.

It is an arithmetic number, because the mean of its divisors is an integer number (91815885).

Almost surely, 2^2203530745 is an apocalyptic number.

It is an amenable number.

2203530745 is a deficient number, since it is larger than the sum of its proper divisors (734577575).

2203530745 is a wasteful number, since it uses less digits than its factorization.

2203530745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4285.

The product of its (nonzero) digits is 25200, while the sum is 31.

The square root of 2203530745 is about 46941.7803773994. The cubic root of 2203530745 is about 1301.2868411488.

Adding to 2203530745 its reverse (5470353022), we get a palindrome (7673883767).

The spelling of 2203530745 in words is "two billion, two hundred three million, five hundred thirty thousand, seven hundred forty-five".