255320422 has 16 divisors (see below), whose sum is σ = 437905440. Its totient is φ = 109369728.

The previous prime is 255320411. The next prime is 255320431. The reversal of 255320422 is 224023552.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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, 42204 + ... + 47872.

It is an arithmetic number, because the mean of its divisors is an integer number (27369090).

Almost surely, 2^255320422 is an apocalyptic number.

255320422 is a deficient number, since it is larger than the sum of its proper divisors (182585018).

255320422 is a wasteful number, since it uses less digits than its factorization.

255320422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8895.

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 255320422 is about 15978.7490749433. The cubic root of 255320422 is about 634.3980672434.

Adding to 255320422 its reverse (224023552), we get a palindrome (479343974).

It can be divided in two parts, 2553 and 20422, that multiplied together give a triangular number (52137366 = T₁₀₂₁₁).

The spelling of 255320422 in words is "two hundred fifty-five million, three hundred twenty thousand, four hundred twenty-two".