256673422 has 8 divisors (see below), whose sum is σ = 401749776. Its totient is φ = 122756832.

The previous prime is 256673411. The next prime is 256673441. The reversal of 256673422 is 224376652.

256673422 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×256673422² = 131762491122380168, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2789883 + ... + 2789974.

It is an arithmetic number, because the mean of its divisors is an integer number (50218722).

Almost surely, 2^256673422 is an apocalyptic number.

256673422 is a deficient number, since it is larger than the sum of its proper divisors (145076354).

256673422 is a wasteful number, since it uses less digits than its factorization.

256673422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5579882.

The product of its digits is 120960, while the sum is 37.

The square root of 256673422 is about 16021.0306160372. The cubic root of 256673422 is about 635.5166993354.

The spelling of 256673422 in words is "two hundred fifty-six million, six hundred seventy-three thousand, four hundred twenty-two".