22323012 has 12 divisors (see below), whose sum is σ = 52087056. Its totient is φ = 7441000.

The previous prime is 22323001. The next prime is 22323019. The reversal of 22323012 is 21032322.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×22323012³ (a number of 23 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22322982 and 22323000.

It is not an unprimeable number, because it can be changed into a prime (22323019) 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, 930114 + ... + 930137.

It is an arithmetic number, because the mean of its divisors is an integer number (4340588).

Almost surely, 2^22323012 is an apocalyptic number.

It is an amenable number.

22323012 is an abundant number, since it is smaller than the sum of its proper divisors (29764044).

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

22323012 is a wasteful number, since it uses less digits than its factorization.

22323012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1860258 (or 1860256 counting only the distinct ones).

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

The square root of 22323012 is about 4724.7234839724. The cubic root of 22323012 is about 281.5686277303.

Adding to 22323012 its reverse (21032322), we get a palindrome (43355334).

The spelling of 22323012 in words is "twenty-two million, three hundred twenty-three thousand, twelve".