1071022650 has 48 divisors (see below), whose sum is σ = 2663668800. Its totient is φ = 284796160.

The previous prime is 1071022643. The next prime is 1071022663. The reversal of 1071022650 is 562201701.

It is a super-2 number, since 2×1071022650² = 2294179033626045000, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1071022650.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 43906 + ... + 63794.

It is an arithmetic number, because the mean of its divisors is an integer number (55493100).

Almost surely, 2^1071022650 is an apocalyptic number.

1071022650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1071022650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1331834400).

1071022650 is an abundant number, since it is smaller than the sum of its proper divisors (1592646150).

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

1071022650 is a wasteful number, since it uses less digits than its factorization.

1071022650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20263 (or 20258 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 1071022650 is about 32726.4823957602. The cubic root of 1071022650 is about 1023.1348671577.

The spelling of 1071022650 in words is "one billion, seventy-one million, twenty-two thousand, six hundred fifty".