256222222652 has 12 divisors (see below), whose sum is σ = 489151516056. Its totient is φ = 116464646640.

The previous prime is 256222222621. The next prime is 256222222657.

256222222652 is nontrivially palindromic in base 10.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256222222657) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2911616123 + ... + 2911616210.

It is an arithmetic number, because the mean of its divisors is an integer number (40762626338).

Almost surely, 2^256222222652 is an apocalyptic number.

256222222652 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

256222222652 is a deficient number, since it is larger than the sum of its proper divisors (232929293404).

256222222652 is a wasteful number, since it uses less digits than its factorization.

256222222652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5823232348 (or 5823232346 counting only the distinct ones).

The product of its digits is 230400, while the sum is 38.

It can be divided in two parts, 256222 and 222652, that added together give a palindrome (478874).

The spelling of 256222222652 in words is "two hundred fifty-six billion, two hundred twenty-two million, two hundred twenty-two thousand, six hundred fifty-two".