697199422 has 4 divisors (see below), whose sum is σ = 1045799136. Its totient is φ = 348599710.

The previous prime is 697199413. The next prime is 697199429. The reversal of 697199422 is 224991796.

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

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (697199429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174299854 + ... + 174299857.

It is an arithmetic number, because the mean of its divisors is an integer number (261449784).

Almost surely, 2^697199422 is an apocalyptic number.

697199422 is a deficient number, since it is larger than the sum of its proper divisors (348599714).

697199422 is a wasteful number, since it uses less digits than its factorization.

697199422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348599713.

The product of its digits is 489888, while the sum is 49.

The square root of 697199422 is about 26404.5341182154. The cubic root of 697199422 is about 886.7183026882.

The spelling of 697199422 in words is "six hundred ninety-seven million, one hundred ninety-nine thousand, four hundred twenty-two".