1022653260 has 144 divisors (see below), whose sum is σ = 3199996800. Its totient is φ = 264218112.

The previous prime is 1022653259. The next prime is 1022653267. The reversal of 1022653260 is 623562201.

1022653260 is a `hidden beast` number, since 1 + 0 + 2 + 2 + 653 + 2 + 6 + 0 = 666.

It is not an unprimeable number, because it can be changed into a prime (1022653267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 921586 + ... + 922694.

It is an arithmetic number, because the mean of its divisors is an integer number (22222200).

Almost surely, 2^1022653260 is an apocalyptic number.

1022653260 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 1022653260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1599998400).

1022653260 is an abundant number, since it is smaller than the sum of its proper divisors (2177343540).

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

1022653260 is a wasteful number, since it uses less digits than its factorization.

1022653260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1280 (or 1275 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 1022653260 is about 31978.9502641972. The cubic root of 1022653260 is about 1007.4947746878.

The spelling of 1022653260 in words is "one billion, twenty-two million, six hundred fifty-three thousand, two hundred sixty".