2256213244 has 12 divisors (see below), whose sum is σ = 4120041744. Its totient is φ = 1079058464.

The previous prime is 2256213241. The next prime is 2256213247. The reversal of 2256213244 is 4423126522.

It is an interprime number because it is at equal distance from previous prime (2256213241) and next prime (2256213247).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2256213241) 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 in 3 ways as a sum of consecutive naturals, for example, 12261937 + ... + 12262120.

It is an arithmetic number, because the mean of its divisors is an integer number (343336812).

Almost surely, 2^2256213244 is an apocalyptic number.

It is an amenable number.

2256213244 is a deficient number, since it is larger than the sum of its proper divisors (1863828500).

2256213244 is a wasteful number, since it uses less digits than its factorization.

2256213244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24524084 (or 24524082 counting only the distinct ones).

The product of its digits is 23040, while the sum is 31.

The square root of 2256213244 is about 47499.6130931611. The cubic root of 2256213244 is about 1311.5757593436.

Adding to 2256213244 its reverse (4423126522), we get a palindrome (6679339766).

The spelling of 2256213244 in words is "two billion, two hundred fifty-six million, two hundred thirteen thousand, two hundred forty-four".