697379222 has 4 divisors (see below), whose sum is σ = 1046068836. Its totient is φ = 348689610.

The previous prime is 697379191. The next prime is 697379227. The reversal of 697379222 is 222973796.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (697379227) by changing a digit.

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 as a sum of consecutive naturals, namely, 174344804 + ... + 174344807.

It is an arithmetic number, because the mean of its divisors is an integer number (261517209).

Almost surely, 2^697379222 is an apocalyptic number.

697379222 is a deficient number, since it is larger than the sum of its proper divisors (348689614).

697379222 is a wasteful number, since it uses less digits than its factorization.

697379222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348689613.

The product of its digits is 571536, while the sum is 47.

The square root of 697379222 is about 26407.9386170144. The cubic root of 697379222 is about 886.7945210759.

The spelling of 697379222 in words is "six hundred ninety-seven million, three hundred seventy-nine thousand, two hundred twenty-two".