1249222 has 16 divisors (see below), whose sum is σ = 2106720. Its totient is φ = 551232.

The previous prime is 1249217. The next prime is 1249243. The reversal of 1249222 is 2229421.

It is a junction number, because it is equal to n+sod(n) for n = 1249193 and 1249202.

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, 447 + ... + 1642.

It is an arithmetic number, because the mean of its divisors is an integer number (131670).

2^1249222 is an apocalyptic number.

1249222 is a deficient number, since it is larger than the sum of its proper divisors (857498).

1249222 is a wasteful number, since it uses less digits than its factorization.

1249222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2127.

The product of its digits is 576, while the sum is 22.

The square root of 1249222 is about 1117.6860024175. The cubic root of 1249222 is about 107.6993811942.

The spelling of 1249222 in words is "one million, two hundred forty-nine thousand, two hundred twenty-two".