1222402546 has 16 divisors (see below), whose sum is σ = 1865148480. Its totient is φ = 600702480.

The previous prime is 1222402543. The next prime is 1222402553. The reversal of 1222402546 is 6452042221.

It is not an unprimeable number, because it can be changed into a prime (1222402541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 186985 + ... + 193411.

It is an arithmetic number, because the mean of its divisors is an integer number (116571780).

Almost surely, 2^1222402546 is an apocalyptic number.

1222402546 is a deficient number, since it is larger than the sum of its proper divisors (642745934).

1222402546 is a wasteful number, since it uses less digits than its factorization.

1222402546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8049.

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 1222402546 is about 34962.8738235289. The cubic root of 1222402546 is about 1069.2306887500.

Adding to 1222402546 its reverse (6452042221), we get a palindrome (7674444767).

The spelling of 1222402546 in words is "one billion, two hundred twenty-two million, four hundred two thousand, five hundred forty-six".