22814712 has 72 divisors (see below), whose sum is σ = 64701000. Its totient is φ = 7262112.

The previous prime is 22814711. The next prime is 22814713. The reversal of 22814712 is 21741822.

It is an interprime number because it is at equal distance from previous prime (22814711) and next prime (22814713).

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×22814712² = 1041022167285888, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22814711) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 37789 + ... + 38387.

It is an arithmetic number, because the mean of its divisors is an integer number (898625).

Almost surely, 2^22814712 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 22814712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32350500).

22814712 is an abundant number, since it is smaller than the sum of its proper divisors (41886288).

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

22814712 is a wasteful number, since it uses less digits than its factorization.

22814712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 657 (or 627 counting only the distinct ones).

The product of its digits is 1792, while the sum is 27.

The square root of 22814712 is about 4776.4748507660. The cubic root of 22814712 is about 283.6209649610.

The spelling of 22814712 in words is "twenty-two million, eight hundred fourteen thousand, seven hundred twelve".