255443222 has 4 divisors (see below), whose sum is σ = 383164836. Its totient is φ = 127721610.

The previous prime is 255443197. The next prime is 255443249. The reversal of 255443222 is 222344552.

255443222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63860804 + ... + 63860807.

It is an arithmetic number, because the mean of its divisors is an integer number (95791209).

Almost surely, 2^255443222 is an apocalyptic number.

255443222 is a deficient number, since it is larger than the sum of its proper divisors (127721614).

255443222 is a wasteful number, since it uses less digits than its factorization.

255443222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127721613.

The product of its digits is 19200, while the sum is 29.

The square root of 255443222 is about 15982.5912166957. The cubic root of 255443222 is about 634.4997585427.

Adding to 255443222 its reverse (222344552), we get a palindrome (477787774).

The spelling of 255443222 in words is "two hundred fifty-five million, four hundred forty-three thousand, two hundred twenty-two".