967221 has 10 divisors (see below), whose sum is σ = 1444982. Its totient is φ = 644760.

The previous prime is 967201. The next prime is 967229. The reversal of 967221 is 122769.

967221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 731025 + 236196 = 855^2 + 486^2 .

It is not a de Polignac number, because 967221 - 2¹⁰ = 966197 is a prime.

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

It is a Duffinian number.

967221 is a lucky number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 967221.

It is not an unprimeable number, because it can be changed into a prime (967229) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 5890 + ... + 6051.

2⁹⁶⁷²²¹ is an apocalyptic number.

It is an amenable number.

967221 is a deficient number, since it is larger than the sum of its proper divisors (477761).

967221 is a wasteful number, since it uses less digits than its factorization.

967221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11953 (or 11944 counting only the distinct ones).

The product of its digits is 1512, while the sum is 27.

The square root of 967221 is about 983.4739447489. The cubic root of 967221 is about 98.8952059163.

The spelling of 967221 in words is "nine hundred sixty-seven thousand, two hundred twenty-one".