1022563056 has 80 divisors (see below), whose sum is σ = 2802276000. Its totient is φ = 320200704.

The previous prime is 1022563027. The next prime is 1022563063. The reversal of 1022563056 is 6503652201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 659370 + ... + 660918.

It is an arithmetic number, because the mean of its divisors is an integer number (35028450).

Almost surely, 2^1022563056 is an apocalyptic number.

1022563056 is a gapful number since it is divisible by the number (16) 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 1022563056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1401138000).

1022563056 is an abundant number, since it is smaller than the sum of its proper divisors (1779712944).

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

1022563056 is a wasteful number, since it uses less digits than its factorization.

1022563056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2386 (or 2380 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 1022563056 is about 31977.5398678510. The cubic root of 1022563056 is about 1007.4651515058.

The spelling of 1022563056 in words is "one billion, twenty-two million, five hundred sixty-three thousand, fifty-six".