22010512 has 40 divisors (see below), whose sum is σ = 47541600. Its totient is φ = 9810432.

The previous prime is 22010503. The next prime is 22010519. The reversal of 22010512 is 21501022.

It is a junction number, because it is equal to n+sod(n) for n = 22010492 and 22010501.

It is not an unprimeable number, because it can be changed into a prime (22010519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3039 + ... + 7297.

It is an arithmetic number, because the mean of its divisors is an integer number (1188540).

Almost surely, 2^22010512 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 22010512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23770800).

22010512 is an abundant number, since it is smaller than the sum of its proper divisors (25531088).

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

22010512 is a wasteful number, since it uses less digits than its factorization.

22010512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4303 (or 4297 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 22010512 is about 4691.5362089618. The cubic root of 22010512 is about 280.2485548039.

Adding to 22010512 its reverse (21501022), we get a palindrome (43511534).

It can be divided in two parts, 22010 and 512, that added together give a palindrome (22522).

The spelling of 22010512 in words is "twenty-two million, ten thousand, five hundred twelve".