1000112022 has 160 divisors (see below), whose sum is σ = 2780870400. Its totient is φ = 261600192.

The previous prime is 1000112021. The next prime is 1000112027. The reversal of 1000112022 is 2202110001.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 1000111995 and 1000112013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000112021) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 2638629 + ... + 2639007.

It is an arithmetic number, because the mean of its divisors is an integer number (17380440).

Almost surely, 2^1000112022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1000112022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1390435200).

1000112022 is an abundant number, since it is smaller than the sum of its proper divisors (1780758378).

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

1000112022 is a wasteful number, since it uses less digits than its factorization.

1000112022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 592 (or 583 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 1000112022 is about 31624.5477754228. The cubic root of 1000112022 is about 1000.0373392724.

Adding to 1000112022 its reverse (2202110001), we get a palindrome (3202222023).

The spelling of 1000112022 in words is "one billion, one hundred twelve thousand, twenty-two".