1022786560 has 88 divisors (see below), whose sum is σ = 2520266400. Its totient is φ = 397983744.

The previous prime is 1022786543. The next prime is 1022786591. The reversal of 1022786560 is 656872201.

It is a happy number.

1022786560 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 186741 + ... + 192139.

Almost surely, 2^1022786560 is an apocalyptic number.

1022786560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1022786560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1260133200).

1022786560 is an abundant number, since it is smaller than the sum of its proper divisors (1497479840).

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

1022786560 is an equidigital number, since it uses as much as digits as its factorization.

1022786560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5461 (or 5443 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 1022786560 is about 31981.0343797695. The cubic root of 1022786560 is about 1007.5385474972.

The spelling of 1022786560 in words is "one billion, twenty-two million, seven hundred eighty-six thousand, five hundred sixty".