997223167 has 8 divisors (see below), whose sum is σ = 1041855840. Its totient is φ = 952696800.

The previous prime is 997223107. The next prime is 997223209. The reversal of 997223167 is 761322799.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 997223167 - 2¹¹ = 997221119 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (997223107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7084 + ... + 45217.

It is an arithmetic number, because the mean of its divisors is an integer number (130231980).

Almost surely, 2^997223167 is an apocalyptic number.

997223167 is a deficient number, since it is larger than the sum of its proper divisors (44632673).

997223167 is a wasteful number, since it uses less digits than its factorization.

997223167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53153.

The product of its digits is 285768, while the sum is 46.

The square root of 997223167 is about 31578.8404948630. The cubic root of 997223167 is about 999.0735309201.

The spelling of 997223167 in words is "nine hundred ninety-seven million, two hundred twenty-three thousand, one hundred sixty-seven".