1022650832644 has 135 divisors (see below), whose sum is σ = 2221482883893. Its totient is φ = 411818246784.

The previous prime is 1022650832611. The next prime is 1022650832773. The reversal of 1022650832644 is 4462380562201.

The square root of 1022650832644 is 1011262.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 796181444100 + 226469388544 = 892290^2 + 475888^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1022650832644.

It is an unprimeable number.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 1684762189 + ... + 1684762795.

Almost surely, 2^{1022650832644} is an apocalyptic number.

1022650832644 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1022650832644 is the 1011262-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1022650832644

1022650832644 is an abundant number, since it is smaller than the sum of its proper divisors (1198832051249).

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

1022650832644 is an frugal number, since it uses more digits than its factorization.

1022650832644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1280 (or 633 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 43.

The spelling of 1022650832644 in words is "one trillion, twenty-two billion, six hundred fifty million, eight hundred thirty-two thousand, six hundred forty-four".