1022462500 has 72 divisors (see below), whose sum is σ = 2255058792. Its totient is φ = 405600000.

The previous prime is 1022462453. The next prime is 1022462509. The reversal of 1022462500 is 52642201.

It can be written as a sum of positive squares in 12 ways, for example, as 990109156 + 32353344 = 31466^2 + 5688^2 .

It is not an unprimeable number, because it can be changed into a prime (1022462509) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1962240 + ... + 1962760.

It is an arithmetic number, because the mean of its divisors is an integer number (31320261).

Almost surely, 2^1022462500 is an apocalyptic number.

1022462500 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 1022462500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1127529396).

1022462500 is an abundant number, since it is smaller than the sum of its proper divisors (1232596292).

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

1022462500 is an equidigital number, since it uses as much as digits as its factorization.

1022462500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707 (or 685 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 1022462500 is about 31975.9675381371. The cubic root of 1022462500 is about 1007.4321266519.

The spelling of 1022462500 in words is "one billion, twenty-two million, four hundred sixty-two thousand, five hundred".