23224012 has 48 divisors (see below), whose sum is σ = 49412160. Its totient is φ = 9338112.

The previous prime is 23223973. The next prime is 23224027. The reversal of 23224012 is 21042232.

It is a super-2 number, since 2×23224012² = 1078709466752288, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29658 + ... + 30430.

It is an arithmetic number, because the mean of its divisors is an integer number (1029420).

Almost surely, 2^23224012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23224012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24706080).

23224012 is an abundant number, since it is smaller than the sum of its proper divisors (26188148).

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

23224012 is a wasteful number, since it uses less digits than its factorization.

23224012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 850 (or 848 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 23224012 is about 4819.1297969654. The cubic root of 23224012 is about 285.3069924782.

Adding to 23224012 its reverse (21042232), we get a palindrome (44266244).

The spelling of 23224012 in words is "twenty-three million, two hundred twenty-four thousand, twelve".