1255522 has 8 divisors (see below), whose sum is σ = 1898496. Its totient is φ = 622692.

The previous prime is 1255519. The next prime is 1255549. The reversal of 1255522 is 2255521.

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

It is a junction number, because it is equal to n+sod(n) for n = 1255493 and 1255502.

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, 2218 + ... + 2725.

It is an arithmetic number, because the mean of its divisors is an integer number (237312).

2^1255522 is an apocalyptic number.

1255522 is a deficient number, since it is larger than the sum of its proper divisors (642974).

1255522 is a wasteful number, since it uses less digits than its factorization.

1255522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5072.

The product of its digits is 1000, while the sum is 22.

The square root of 1255522 is about 1120.5007809011. The cubic root of 1255522 is about 107.8801253390.

Subtracting 1255522 from its reverse (2255521), we obtain a palindrome (999999).

The spelling of 1255522 in words is "one million, two hundred fifty-five thousand, five hundred twenty-two".