256206152222 has 32 divisors (see below), whose sum is σ = 397623219840. Its totient is φ = 123729534720.

The previous prime is 256206152203. The next prime is 256206152243. The reversal of 256206152222 is 222251602652.

256206152222 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×256206152222³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11402603 + ... + 11425049.

It is an arithmetic number, because the mean of its divisors is an integer number (12425725620).

Almost surely, 2^256206152222 is an apocalyptic number.

256206152222 is a deficient number, since it is larger than the sum of its proper divisors (141417067618).

256206152222 is a wasteful number, since it uses less digits than its factorization.

256206152222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23876.

The product of its (nonzero) digits is 57600, while the sum is 35.

Adding to 256206152222 its reverse (222251602652), we get a palindrome (478457754874).

The spelling of 256206152222 in words is "two hundred fifty-six billion, two hundred six million, one hundred fifty-two thousand, two hundred twenty-two".