22065524 has 48 divisors (see below), whose sum is σ = 44629200. Its totient is φ = 9455616.

The previous prime is 22065481. The next prime is 22065553. The reversal of 22065524 is 42556022.

It can be written as a sum of positive squares in 8 ways, for example, as 2102500 + 19963024 = 1450^2 + 4468^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a junction number, because it is equal to n+sod(n) for n = 22065493 and 22065502.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96242 + ... + 96470.

It is an arithmetic number, because the mean of its divisors is an integer number (929775).

Almost surely, 2^22065524 is an apocalyptic number.

It is an amenable number.

22065524 is an abundant number, since it is smaller than the sum of its proper divisors (22563676).

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

22065524 is a wasteful number, since it uses less digits than its factorization.

22065524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372 (or 370 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 22065524 is about 4697.3954485438. The cubic root of 22065524 is about 280.4818404132.

The spelling of 22065524 in words is "twenty-two million, sixty-five thousand, five hundred twenty-four".