22233012 has 24 divisors (see below), whose sum is σ = 52653216. Its totient is φ = 7300128.

The previous prime is 22232993. The next prime is 22233017. The reversal of 22233012 is 21033222.

It is a junction number, because it is equal to n+sod(n) for n = 22232982 and 22233000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22233017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13023 + ... + 14630.

It is an arithmetic number, because the mean of its divisors is an integer number (2193884).

Almost surely, 2^22233012 is an apocalyptic number.

It is an amenable number.

22233012 is an abundant number, since it is smaller than the sum of its proper divisors (30420204).

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

22233012 is a wasteful number, since it uses less digits than its factorization.

22233012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27727 (or 27725 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 22233012 is about 4715.1894977827. The cubic root of 22233012 is about 281.1897166600.

Adding to 22233012 its reverse (21033222), we get a palindrome (43266234).

The spelling of 22233012 in words is "twenty-two million, two hundred thirty-three thousand, twelve".