255567622 has 4 divisors (see below), whose sum is σ = 383351436. Its totient is φ = 127783810.

The previous prime is 255567601. The next prime is 255567649. The reversal of 255567622 is 226765552.

It is a happy number.

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

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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, 63891904 + ... + 63891907.

It is an arithmetic number, because the mean of its divisors is an integer number (95837859).

Almost surely, 2^255567622 is an apocalyptic number.

255567622 is a deficient number, since it is larger than the sum of its proper divisors (127783814).

255567622 is a wasteful number, since it uses less digits than its factorization.

255567622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127783813.

The product of its digits is 252000, while the sum is 40.

The square root of 255567622 is about 15986.4824773932. The cubic root of 255567622 is about 634.6027415848.

The spelling of 255567622 in words is "two hundred fifty-five million, five hundred sixty-seven thousand, six hundred twenty-two".