1022055655 has 16 divisors (see below), whose sum is σ = 1255541760. Its totient is φ = 798344352.

The previous prime is 1022055653. The next prime is 1022055659. The reversal of 1022055655 is 5565502201.

It is a cyclic number.

It is not a de Polignac number, because 1022055655 - 2¹ = 1022055653 is a prime.

It is a congruent number.

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 (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98212 + ... + 108118.

It is an arithmetic number, because the mean of its divisors is an integer number (78471360).

Almost surely, 2^1022055655 is an apocalyptic number.

1022055655 is a deficient number, since it is larger than the sum of its proper divisors (233486105).

1022055655 is an equidigital number, since it uses as much as digits as its factorization.

1022055655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10398.

The product of its (nonzero) digits is 15000, while the sum is 31.

The square root of 1022055655 is about 31969.6051742902. The cubic root of 1022055655 is about 1007.2984874886.

Adding to 1022055655 its reverse (5565502201), we get a palindrome (6587557856).

The spelling of 1022055655 in words is "one billion, twenty-two million, fifty-five thousand, six hundred fifty-five".