1225244 has 24 divisors (see below), whose sum is σ = 2276736. Its totient is φ = 576000.

The previous prime is 1225223. The next prime is 1225261. The reversal of 1225244 is 4425221.

1225244 = T₁₆₇ + T₁₆₈ + ... + T₂₂₈.

It is a happy number.

It is a Smith number, since the sum of its digits (20) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4964 + ... + 5204.

It is an arithmetic number, because the mean of its divisors is an integer number (94864).

2^1225244 is an apocalyptic number.

It is an amenable number.

1225244 is a deficient number, since it is larger than the sum of its proper divisors (1051492).

1225244 is a wasteful number, since it uses less digits than its factorization.

1225244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317 (or 315 counting only the distinct ones).

The product of its digits is 640, while the sum is 20.

The square root of 1225244 is about 1106.9074035347. The cubic root of 1225244 is about 107.0058517194.

The spelling of 1225244 in words is "one million, two hundred twenty-five thousand, two hundred forty-four".