2230542645 has 32 divisors (see below), whose sum is σ = 3762484992. Its totient is φ = 1126152192.

The previous prime is 2230542641. The next prime is 2230542661. The reversal of 2230542645 is 5462450322.

It is a happy number.

It is not a de Polignac number, because 2230542645 - 2² = 2230542641 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2230542641) 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, 139 + ... + 66791.

It is an arithmetic number, because the mean of its divisors is an integer number (117577656).

Almost surely, 2^2230542645 is an apocalyptic number.

It is an amenable number.

2230542645 is a deficient number, since it is larger than the sum of its proper divisors (1531942347).

2230542645 is a wasteful number, since it uses less digits than its factorization.

2230542645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66781.

The product of its (nonzero) digits is 57600, while the sum is 33.

The square root of 2230542645 is about 47228.6210364012. The cubic root of 2230542645 is about 1306.5825196214.

Adding to 2230542645 its reverse (5462450322), we get a palindrome (7692992967).

The spelling of 2230542645 in words is "two billion, two hundred thirty million, five hundred forty-two thousand, six hundred forty-five".