1022755556 has 12 divisors (see below), whose sum is σ = 1794623292. Its totient is φ = 510006048.

The previous prime is 1022755529. The next prime is 1022755561. The reversal of 1022755556 is 6555572201.

1022755556 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 635846656 + 386908900 = 25216^2 + 19670^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 341255 + ... + 344238.

It is an arithmetic number, because the mean of its divisors is an integer number (149551941).

Almost surely, 2^1022755556 is an apocalyptic number.

It is an amenable number.

1022755556 is a deficient number, since it is larger than the sum of its proper divisors (771867736).

1022755556 is a wasteful number, since it uses less digits than its factorization.

1022755556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685870 (or 685868 counting only the distinct ones).

The product of its (nonzero) digits is 105000, while the sum is 38.

The square root of 1022755556 is about 31980.5496513115. The cubic root of 1022755556 is about 1007.5283668000.

The spelling of 1022755556 in words is "one billion, twenty-two million, seven hundred fifty-five thousand, five hundred fifty-six".