1222633506 has 32 divisors (see below), whose sum is σ = 2606515200. Its totient is φ = 380992256.

The previous prime is 1222633499. The next prime is 1222633507. The reversal of 1222633506 is 6053362221.

It is not an unprimeable number, because it can be changed into a prime (1222633507) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25026 + ... + 55421.

It is an arithmetic number, because the mean of its divisors is an integer number (81453600).

Almost surely, 2^1222633506 is an apocalyptic number.

1222633506 is an abundant number, since it is smaller than the sum of its proper divisors (1383881694).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1222633506 is a wasteful number, since it uses less digits than its factorization.

1222633506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80618.

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 1222633506 is about 34966.1765996799. The cubic root of 1222633506 is about 1069.2980244433.

Adding to 1222633506 its reverse (6053362221), we get a palindrome (7275995727).

The spelling of 1222633506 in words is "one billion, two hundred twenty-two million, six hundred thirty-three thousand, five hundred six".