1022520512 has 56 divisors (see below), whose sum is σ = 2260549200. Its totient is φ = 455648256.

The previous prime is 1022520497. The next prime is 1022520517. The reversal of 1022520512 is 2150252201.

It is a happy number.

1022520512 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (1022520517) 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, 2939 + ... + 45317.

It is an arithmetic number, because the mean of its divisors is an integer number (40366950).

Almost surely, 2^1022520512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1022520512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1130274600).

1022520512 is an abundant number, since it is smaller than the sum of its proper divisors (1238028688).

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

1022520512 is a wasteful number, since it uses less digits than its factorization.

1022520512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42433 (or 42423 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 1022520512 is about 31976.8746440299. The cubic root of 1022520512 is about 1007.4511793628.

Adding to 1022520512 its reverse (2150252201), we get a palindrome (3172772713).

The spelling of 1022520512 in words is "one billion, twenty-two million, five hundred twenty thousand, five hundred twelve".