1225446 has 16 divisors (see below), whose sum is σ = 2467584. Its totient is φ = 405704.

The previous prime is 1225409. The next prime is 1225459. The reversal of 1225446 is 6445221.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 391 + ... + 1613.

It is an arithmetic number, because the mean of its divisors is an integer number (154224).

2^1225446 is an apocalyptic number.

1225446 is an abundant number, since it is smaller than the sum of its proper divisors (1242138).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1225446 is a wasteful number, since it uses less digits than its factorization.

1225446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1395.

The product of its digits is 1920, while the sum is 24.

The square root of 1225446 is about 1106.9986449856. The cubic root of 1225446 is about 107.0117319072.

The spelling of 1225446 in words is "one million, two hundred twenty-five thousand, four hundred forty-six".