697164226 has 32 divisors (see below), whose sum is σ = 1223553600. Its totient is φ = 294540480.

The previous prime is 697164217. The next prime is 697164253. The reversal of 697164226 is 622461796.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6420 + ... + 37888.

It is an arithmetic number, because the mean of its divisors is an integer number (38236050).

Almost surely, 2^697164226 is an apocalyptic number.

697164226 is a deficient number, since it is larger than the sum of its proper divisors (526389374).

697164226 is a wasteful number, since it uses less digits than its factorization.

697164226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31554.

The product of its digits is 217728, while the sum is 43.

The square root of 697164226 is about 26403.8676333601. The cubic root of 697164226 is about 886.7033813416.

The spelling of 697164226 in words is "six hundred ninety-seven million, one hundred sixty-four thousand, two hundred twenty-six".