4232228188645 has 4 divisors (see below), whose sum is σ = 5078673826380. Its totient is φ = 3385782550912.

The previous prime is 4232228188613. The next prime is 4232228188651. The reversal of 4232228188645 is 5468818222324.

It is a Cunningham number, because it is equal to 2057238²+1.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1523600172964 + 2708628015681 = 1234342^2 + 1645791^2 .

It is a cyclic number.

It is not a de Polignac number, because 4232228188645 - 2⁵ = 4232228188613 is a prime.

It is a super-2 number, since 2×4232228188645² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 423222818860 + ... + 423222818869.

It is an arithmetic number, because the mean of its divisors is an integer number (1269668456595).

Almost surely, 2^{4232228188645} is an apocalyptic number.

It is an amenable number.

4232228188645 is a deficient number, since it is larger than the sum of its proper divisors (846445637735).

4232228188645 is an equidigital number, since it uses as much as digits as its factorization.

4232228188645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 846445637734.

The product of its digits is 11796480, while the sum is 55.

The spelling of 4232228188645 in words is "four trillion, two hundred thirty-two billion, two hundred twenty-eight million, one hundred eighty-eight thousand, six hundred forty-five".