697222 has 12 divisors (see below), whose sum is σ = 1094940. Its totient is φ = 332948.

The previous prime is 697217. The next prime is 697259. The reversal of 697222 is 222796.

It is a super-2 number, since 2×697222² = 972237034568, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 729 + ... + 1387.

It is an arithmetic number, because the mean of its divisors is an integer number (91245).

2⁶⁹⁷²²² is an apocalyptic number.

697222 is a deficient number, since it is larger than the sum of its proper divisors (397718).

697222 is a wasteful number, since it uses less digits than its factorization.

697222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 707 (or 684 counting only the distinct ones).

The product of its digits is 3024, while the sum is 28.

The square root of 697222 is about 834.9982035909. The cubic root of 697222 is about 88.6727874368.

It can be divided in two parts, 697 and 222, that added together give a palindrome (919).

The spelling of 697222 in words is "six hundred ninety-seven thousand, two hundred twenty-two".