1222612 has 12 divisors (see below), whose sum is σ = 2252320. Its totient is φ = 579096.

The previous prime is 1222603. The next prime is 1222633. The reversal of 1222612 is 2162221.

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 3 ways as a sum of consecutive naturals, for example, 7968 + ... + 8119.

2^1222612 is an apocalyptic number.

It is an amenable number.

1222612 is a deficient number, since it is larger than the sum of its proper divisors (1029708).

1222612 is a wasteful number, since it uses less digits than its factorization.

1222612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16110 (or 16108 counting only the distinct ones).

The product of its digits is 96, while the sum is 16.

The square root of 1222612 is about 1105.7178663656. The cubic root of 1222612 is about 106.9291754792.

Adding to 1222612 its reverse (2162221), we get a palindrome (3384833).

The spelling of 1222612 in words is "one million, two hundred twenty-two thousand, six hundred twelve".