1022688655 has 8 divisors (see below), whose sum is σ = 1230705072. Its totient is φ = 815831808.

The previous prime is 1022688649. The next prime is 1022688659. The reversal of 1022688655 is 5568862201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1022688655 - 2¹⁷ = 1022557583 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022688659) 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, 287949 + ... + 291478.

It is an arithmetic number, because the mean of its divisors is an integer number (153838134).

Almost surely, 2^1022688655 is an apocalyptic number.

1022688655 is a deficient number, since it is larger than the sum of its proper divisors (208016417).

1022688655 is an equidigital number, since it uses as much as digits as its factorization.

1022688655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579785.

The product of its (nonzero) digits is 230400, while the sum is 43.

The square root of 1022688655 is about 31979.5036703198. The cubic root of 1022688655 is about 1007.5063980038.

The spelling of 1022688655 in words is "one billion, twenty-two million, six hundred eighty-eight thousand, six hundred fifty-five".