1222568 has 8 divisors (see below), whose sum is σ = 2292330. Its totient is φ = 611280.

The previous prime is 1222567. The next prime is 1222583. The reversal of 1222568 is 8652221.

It can be written as a sum of positive squares in only one way, i.e., 1044484 + 178084 = 1022^2 + 422^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an Ulam number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (1222561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76403 + ... + 76418.

2^1222568 is an apocalyptic number.

It is an amenable number.

1222568 is a deficient number, since it is larger than the sum of its proper divisors (1069762).

1222568 is a wasteful number, since it uses less digits than its factorization.

1222568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152827 (or 152823 counting only the distinct ones).

The product of its digits is 1920, while the sum is 26.

The square root of 1222568 is about 1105.6979696101. The cubic root of 1222568 is about 106.9278927228.

Adding to 1222568 its reverse (8652221), we get a palindrome (9874789).

The spelling of 1222568 in words is "one million, two hundred twenty-two thousand, five hundred sixty-eight".