1022160640 has 72 divisors (see below), whose sum is σ = 2460060288. Its totient is φ = 406917120.

The previous prime is 1022160637. The next prime is 1022160647. The reversal of 1022160640 is 460612201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022160647) 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, 283650 + ... + 287230.

It is an arithmetic number, because the mean of its divisors is an integer number (34167504).

Almost surely, 2^1022160640 is an apocalyptic number.

1022160640 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 1022160640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1230030144).

1022160640 is an abundant number, since it is smaller than the sum of its proper divisors (1437899648).

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

1022160640 is an equidigital number, since it uses as much as digits as its factorization.

1022160640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3825 (or 3811 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 1022160640 is about 31971.2470823395. The cubic root of 1022160640 is about 1007.3329760250.

Adding to 1022160640 its reverse (460612201), we get a palindrome (1482772841).

The spelling of 1022160640 in words is "one billion, twenty-two million, one hundred sixty thousand, six hundred forty".