22823712 has 144 divisors (see below), whose sum is σ = 70630560. Its totient is φ = 6967296.

The previous prime is 22823711. The next prime is 22823729. The reversal of 22823712 is 21732822.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (144).

It is not an unprimeable number, because it can be changed into a prime (22823711) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 235248 + ... + 235344.

It is an arithmetic number, because the mean of its divisors is an integer number (490490).

Almost surely, 2^22823712 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 22823712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35315280).

22823712 is an abundant number, since it is smaller than the sum of its proper divisors (47806848).

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

22823712 is a wasteful number, since it uses less digits than its factorization.

22823712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175 (or 164 counting only the distinct ones).

The product of its digits is 2688, while the sum is 27.

The square root of 22823712 is about 4777.4168752580. The cubic root of 22823712 is about 283.6582545414.

The spelling of 22823712 in words is "twenty-two million, eight hundred twenty-three thousand, seven hundred twelve".