712228 has 12 divisors (see below), whose sum is σ = 1359792. Its totient is φ = 323720.

The previous prime is 712219. The next prime is 712237. The reversal of 712228 is 822217.

712228 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (712219) and next prime (712237).

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an Ulam number.

It is a zygodrome in base 3.

It is a junction number, because it is equal to n+sod(n) for n = 712199 and 712208.

It is an unprimeable number.

712228 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8050 + ... + 8137.

It is an arithmetic number, because the mean of its divisors is an integer number (113316).

2⁷¹²²²⁸ is an apocalyptic number.

It is an amenable number.

712228 is a deficient number, since it is larger than the sum of its proper divisors (647564).

712228 is a wasteful number, since it uses less digits than its factorization.

712228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16202 (or 16200 counting only the distinct ones).

The product of its digits is 448, while the sum is 22.

The square root of 712228 is about 843.9360165321. The cubic root of 712228 is about 89.3044323728.

The spelling of 712228 in words is "seven hundred twelve thousand, two hundred twenty-eight".