1022055656 has 16 divisors (see below), whose sum is σ = 1917026340. Its totient is φ = 510848640.

The previous prime is 1022055653. The next prime is 1022055659. The reversal of 1022055656 is 6565502201.

It is an interprime number because it is at equal distance from previous prime (1022055653) and next prime (1022055659).

It can be written as a sum of positive squares in 2 ways, for example, as 674233156 + 347822500 = 25966^2 + 18650^2 .

It is not an unprimeable number, because it can be changed into a prime (1022055653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3620 + ... + 45356.

Almost surely, 2^1022055656 is an apocalyptic number.

It is an amenable number.

1022055656 is a deficient number, since it is larger than the sum of its proper divisors (894970684).

1022055656 is a wasteful number, since it uses less digits than its factorization.

1022055656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44804 (or 44800 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 32.

The square root of 1022055656 is about 31969.6051899300. The cubic root of 1022055656 is about 1007.2984878172.

Adding to 1022055656 its reverse (6565502201), we get a palindrome (7587557857).

The spelling of 1022055656 in words is "one billion, twenty-two million, fifty-five thousand, six hundred fifty-six".