22018024 has 32 divisors (see below), whose sum is σ = 47332800. Its totient is φ = 9406080.

The previous prime is 22017973. The next prime is 22018037. The reversal of 22018024 is 42081022.

It is a junction number, because it is equal to n+sod(n) for n = 22017992 and 22018010.

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 7 ways as a sum of consecutive naturals, for example, 31519 + ... + 32209.

It is an arithmetic number, because the mean of its divisors is an integer number (1479150).

Almost surely, 2^22018024 is an apocalyptic number.

It is an amenable number.

22018024 is an abundant number, since it is smaller than the sum of its proper divisors (25314776).

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

22018024 is a wasteful number, since it uses less digits than its factorization.

22018024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1273 (or 1269 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 22018024 is about 4692.3367313099. The cubic root of 22018024 is about 280.2804333246.

Adding to 22018024 its reverse (42081022), we get a palindrome (64099046).

The spelling of 22018024 in words is "twenty-two million, eighteen thousand, twenty-four".