256012022 has 16 divisors (see below), whose sum is σ = 444891552. Its totient is φ = 108216000.

The previous prime is 256012021. The next prime is 256012051. The reversal of 256012022 is 220210652.

It is a junction number, because it is equal to n+sod(n) for n = 256011985 and 256012003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256012021) 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 7 ways as a sum of consecutive naturals, for example, 124229 + ... + 126272.

It is an arithmetic number, because the mean of its divisors is an integer number (27805722).

Almost surely, 2^256012022 is an apocalyptic number.

256012022 is a deficient number, since it is larger than the sum of its proper divisors (188879530).

256012022 is a wasteful number, since it uses less digits than its factorization.

256012022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250583.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 256012022 is about 16000.3756830894. The cubic root of 256012022 is about 634.9703600772.

Adding to 256012022 its reverse (220210652), we get a palindrome (476222674).

The spelling of 256012022 in words is "two hundred fifty-six million, twelve thousand, twenty-two".