1225582 has 4 divisors (see below), whose sum is σ = 1838376. Its totient is φ = 612790.

The previous prime is 1225579. The next prime is 1225589. The reversal of 1225582 is 2855221.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1225589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306394 + ... + 306397.

It is an arithmetic number, because the mean of its divisors is an integer number (459594).

2^1225582 is an apocalyptic number.

1225582 is a deficient number, since it is larger than the sum of its proper divisors (612794).

1225582 is an equidigital number, since it uses as much as digits as its factorization.

1225582 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612793.

The product of its digits is 1600, while the sum is 25.

The square root of 1225582 is about 1107.0600706375. The cubic root of 1225582 is about 107.0156904815.

The spelling of 1225582 in words is "one million, two hundred twenty-five thousand, five hundred eighty-two".