997722334 has 8 divisors (see below), whose sum is σ = 1710381168. Its totient is φ = 427595280.

The previous prime is 997722289. The next prime is 997722337. The reversal of 997722334 is 433227799.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (997722337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35632927 + ... + 35632954.

It is an arithmetic number, because the mean of its divisors is an integer number (213797646).

Almost surely, 2^997722334 is an apocalyptic number.

997722334 is a deficient number, since it is larger than the sum of its proper divisors (712658834).

997722334 is a wasteful number, since it uses less digits than its factorization.

997722334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71265890.

The product of its digits is 571536, while the sum is 46.

The square root of 997722334 is about 31586.7430103200. The cubic root of 997722334 is about 999.2402008515.

The spelling of 997722334 in words is "nine hundred ninety-seven million, seven hundred twenty-two thousand, three hundred thirty-four".