22033012 has 12 divisors (see below), whose sum is σ = 38918880. Its totient is φ = 10913336.

The previous prime is 22033007. The next prime is 22033013. The reversal of 22033012 is 21033022.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22032983 and 22033001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22033013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25312 + ... + 26167.

It is an arithmetic number, because the mean of its divisors is an integer number (3243240).

Almost surely, 2^22033012 is an apocalyptic number.

It is an amenable number.

22033012 is a deficient number, since it is larger than the sum of its proper divisors (16885868).

22033012 is a wasteful number, since it uses less digits than its factorization.

22033012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51590 (or 51588 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 22033012 is about 4693.9335316981. The cubic root of 22033012 is about 280.3440159347.

Adding to 22033012 its reverse (21033022), we get a palindrome (43066034).

The spelling of 22033012 in words is "twenty-two million, thirty-three thousand, twelve".