677222 has 24 divisors (see below), whose sum is σ = 1271088. Its totient is φ = 263520.

The previous prime is 677213. The next prime is 677227. The reversal of 677222 is 222776.

677222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a junction number, because it is equal to n+sod(n) for n = 677191 and 677200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677227) by changing a digit.

677222 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 11 ways as a sum of consecutive naturals, for example, 11072 + ... + 11132.

It is an arithmetic number, because the mean of its divisors is an integer number (52962).

2⁶⁷⁷²²² is an apocalyptic number.

677222 is a deficient number, since it is larger than the sum of its proper divisors (593866).

677222 is a wasteful number, since it uses less digits than its factorization.

677222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144 (or 83 counting only the distinct ones).

The product of its digits is 2352, while the sum is 26.

The square root of 677222 is about 822.9349913572. The cubic root of 677222 is about 87.8166810528.

Adding to 677222 its reverse (222776), we get a palindrome (899998).

The spelling of 677222 in words is "six hundred seventy-seven thousand, two hundred twenty-two".