1222906056 has 32 divisors (see below), whose sum is σ = 3058136640. Its totient is φ = 407519168.

The previous prime is 1222906051. The next prime is 1222906141. The reversal of 1222906056 is 6506092221.

It is not an unprimeable number, because it can be changed into a prime (1222906051) 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, 137950 + ... + 146546.

It is an arithmetic number, because the mean of its divisors is an integer number (95566770).

Almost surely, 2^1222906056 is an apocalyptic number.

It is an amenable number.

1222906056 is an abundant number, since it is smaller than the sum of its proper divisors (1835230584).

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

1222906056 is a wasteful number, since it uses less digits than its factorization.

1222906056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14533 (or 14529 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 1222906056 is about 34970.0737202540. The cubic root of 1222906056 is about 1069.3774746688.

Adding to 1222906056 its reverse (6506092221), we get a palindrome (7728998277).

The spelling of 1222906056 in words is "one billion, two hundred twenty-two million, nine hundred six thousand, fifty-six".