697894222 has 32 divisors (see below), whose sum is σ = 1116835200. Its totient is φ = 326446848.

The previous prime is 697894207. The next prime is 697894231. The reversal of 697894222 is 222498796.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 671179 + ... + 672217.

It is an arithmetic number, because the mean of its divisors is an integer number (34901100).

Almost surely, 2^697894222 is an apocalyptic number.

697894222 is a deficient number, since it is larger than the sum of its proper divisors (418940978).

697894222 is a wasteful number, since it uses less digits than its factorization.

697894222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1420.

The product of its digits is 870912, while the sum is 49.

The square root of 697894222 is about 26417.6876732238. The cubic root of 697894222 is about 887.0127604446.

The spelling of 697894222 in words is "six hundred ninety-seven million, eight hundred ninety-four thousand, two hundred twenty-two".