256303622 has 4 divisors (see below), whose sum is σ = 384455436. Its totient is φ = 128151810.

The previous prime is 256303613. The next prime is 256303631. The reversal of 256303622 is 226303652.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (256303613) and next prime (256303631).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64075904 + ... + 64075907.

It is an arithmetic number, because the mean of its divisors is an integer number (96113859).

Almost surely, 2^256303622 is an apocalyptic number.

256303622 is a deficient number, since it is larger than the sum of its proper divisors (128151814).

256303622 is a wasteful number, since it uses less digits than its factorization.

256303622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128151813.

The product of its (nonzero) digits is 12960, while the sum is 29.

The square root of 256303622 is about 16009.4853758639. The cubic root of 256303622 is about 635.2113475920.

The spelling of 256303622 in words is "two hundred fifty-six million, three hundred three thousand, six hundred twenty-two".