223280712 has 60 divisors (see below), whose sum is σ = 626459955. Its totient is φ = 74300112.

The previous prime is 223280689. The next prime is 223280747. The reversal of 223280712 is 217082322.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 111640356 + 111640356 = 10566^2 + 10566^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=10566.

It is a super-3 number, since 3×223280712³ (a number of 26 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 380083 + ... + 380669.

Almost surely, 2^223280712 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 223280712

223280712 is an abundant number, since it is smaller than the sum of its proper divisors (403179243).

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

223280712 is an frugal number, since it uses more digits than its factorization.

223280712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1192 (or 592 counting only the distinct ones).

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

The square root of 223280712 is about 14942.5805000341. The cubic root of 223280712 is about 606.6670431642.

It can be divided in two parts, 2232 and 80712, that added together give a square (82944 = 288²).

The spelling of 223280712 in words is "two hundred twenty-three million, two hundred eighty thousand, seven hundred twelve".