256003422 has 16 divisors (see below), whose sum is σ = 519219072. Its totient is φ = 84132440.

The previous prime is 256003417. The next prime is 256003439. The reversal of 256003422 is 224300652.

It is a super-3 number, since 3×256003422³ (a number of 26 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 256003392 and 256003401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 300048 + ... + 300899.

It is an arithmetic number, because the mean of its divisors is an integer number (32451192).

Almost surely, 2^256003422 is an apocalyptic number.

256003422 is an abundant number, since it is smaller than the sum of its proper divisors (263215650).

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

256003422 is a wasteful number, since it uses less digits than its factorization.

256003422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601023.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 256003422 is about 16000.1069371426. The cubic root of 256003422 is about 634.9632499863.

The spelling of 256003422 in words is "two hundred fifty-six million, three thousand, four hundred twenty-two".