2256223446 has 48 divisors (see below), whose sum is σ = 4985229600. Its totient is φ = 737337600.

The previous prime is 2256223441. The next prime is 2256223451. The reversal of 2256223446 is 6443226522.

2256223446 is a `hidden beast` number, since 2 + 25 + 622 + 3 + 4 + 4 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (2256223441) and next prime (2256223451).

It is a super-2 number, since 2×2256223446² = 10181088476560229832, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2256223446.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2256223441) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 181230 + ... + 193278.

It is an arithmetic number, because the mean of its divisors is an integer number (103858950).

Almost surely, 2^2256223446 is an apocalyptic number.

2256223446 is an abundant number, since it is smaller than the sum of its proper divisors (2729006154).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2256223446 is a wasteful number, since it uses less digits than its factorization.

2256223446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12261 (or 12258 counting only the distinct ones).

The product of its digits is 138240, while the sum is 36.

The square root of 2256223446 is about 47499.7204833881. The cubic root of 2256223446 is about 1311.5777362069.

Adding to 2256223446 its reverse (6443226522), we get a palindrome (8699449968).

The spelling of 2256223446 in words is "two billion, two hundred fifty-six million, two hundred twenty-three thousand, four hundred forty-six".