2256223436 has 6 divisors (see below), whose sum is σ = 3948391020. Its totient is φ = 1128111716.

The previous prime is 2256223339. The next prime is 2256223439. The reversal of 2256223436 is 6343226522.

It is a junction number, because it is equal to n+sod(n) for n = 2256223396 and 2256223405.

It is not an unprimeable number, because it can be changed into a prime (2256223439) 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, 282027926 + ... + 282027933.

It is an arithmetic number, because the mean of its divisors is an integer number (658065170).

Almost surely, 2^2256223436 is an apocalyptic number.

It is an amenable number.

2256223436 is a deficient number, since it is larger than the sum of its proper divisors (1692167584).

2256223436 is a wasteful number, since it uses less digits than its factorization.

2256223436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564055863 (or 564055861 counting only the distinct ones).

The product of its digits is 103680, while the sum is 35.

The square root of 2256223436 is about 47499.7203781243. The cubic root of 2256223436 is about 1311.5777342692.

Adding to 2256223436 its reverse (6343226522), we get a palindrome (8599449958).

The spelling of 2256223436 in words is "two billion, two hundred fifty-six million, two hundred twenty-three thousand, four hundred thirty-six".