1255622 has 4 divisors (see below), whose sum is σ = 1883436. Its totient is φ = 627810.

The previous prime is 1255619. The next prime is 1255633. The reversal of 1255622 is 2265521.

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, 313904 + ... + 313907.

It is an arithmetic number, because the mean of its divisors is an integer number (470859).

2^1255622 is an apocalyptic number.

1255622 is a deficient number, since it is larger than the sum of its proper divisors (627814).

1255622 is an equidigital number, since it uses as much as digits as its factorization.

1255622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 627813.

The product of its digits is 1200, while the sum is 23.

The square root of 1255622 is about 1120.5454029177. The cubic root of 1255622 is about 107.8829894137.

The spelling of 1255622 in words is "one million, two hundred fifty-five thousand, six hundred twenty-two".