1222652 has 6 divisors (see below), whose sum is σ = 2139648. Its totient is φ = 611324.

The previous prime is 1222651. The next prime is 1222667. The reversal of 1222652 is 2562221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152828 + ... + 152835.

It is an arithmetic number, because the mean of its divisors is an integer number (356608).

2^1222652 is an apocalyptic number.

It is an amenable number.

1222652 is a deficient number, since it is larger than the sum of its proper divisors (916996).

1222652 is a wasteful number, since it uses less digits than its factorization.

1222652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305667 (or 305665 counting only the distinct ones).

The product of its digits is 480, while the sum is 20.

The square root of 1222652 is about 1105.7359540143. The cubic root of 1222652 is about 106.9303415947.

Adding to 1222652 its reverse (2562221), we get a palindrome (3784873).

The spelling of 1222652 in words is "one million, two hundred twenty-two thousand, six hundred fifty-two".