698222 has 16 divisors (see below), whose sum is σ = 1220832. Its totient is φ = 293280.

The previous prime is 698183. The next prime is 698239. The reversal of 698222 is 222896.

It is a happy number.

It is a super-2 number, since 2×698222² = 975027922568, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 272 + ... + 1212.

It is an arithmetic number, because the mean of its divisors is an integer number (76302).

2⁶⁹⁸²²² is an apocalyptic number.

698222 is a deficient number, since it is larger than the sum of its proper divisors (522610).

698222 is a wasteful number, since it uses less digits than its factorization.

698222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1003.

The product of its digits is 3456, while the sum is 29.

The square root of 698222 is about 835.5967927176. The cubic root of 698222 is about 88.7151605632.

The spelling of 698222 in words is "six hundred ninety-eight thousand, two hundred twenty-two".