1022852520 has 96 divisors (see below), whose sum is σ = 3330891720. Its totient is φ = 272217600.

The previous prime is 1022852513. The next prime is 1022852569. The reversal of 1022852520 is 252582201.

It can be written as a sum of positive squares in 4 ways, for example, as 219810276 + 803042244 = 14826^2 + 28338^2 .

It is a zygodrome in base 14.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 197970 + ... + 203070.

Almost surely, 2^1022852520 is an apocalyptic number.

1022852520 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 1022852520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1665445860).

1022852520 is an abundant number, since it is smaller than the sum of its proper divisors (2308039200).

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

1022852520 is a wasteful number, since it uses less digits than its factorization.

1022852520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5675 (or 5668 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The square root of 1022852520 is about 31982.0655993324. The cubic root of 1022852520 is about 1007.5602059144.

The spelling of 1022852520 in words is "one billion, twenty-two million, eight hundred fifty-two thousand, five hundred twenty".