1002022112 has 96 divisors (see below), whose sum is σ = 2468217024. Its totient is φ = 389836800.

The previous prime is 1002022103. The next prime is 1002022157. The reversal of 1002022112 is 2112202001.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1002022093 and 1002022102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 174812 + ... + 180452.

It is an arithmetic number, because the mean of its divisors is an integer number (25710594).

Almost surely, 2^1002022112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1002022112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1234108512).

1002022112 is an abundant number, since it is smaller than the sum of its proper divisors (1466194912).

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

1002022112 is a wasteful number, since it uses less digits than its factorization.

1002022112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5732 (or 5724 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 1002022112 is about 31654.7328530822. The cubic root of 1002022112 is about 1000.6735835167.

Adding to 1002022112 its reverse (2112202001), we get a palindrome (3114224113).

The spelling of 1002022112 in words is "one billion, two million, twenty-two thousand, one hundred twelve".