297997422 has 8 divisors (see below), whose sum is σ = 595994856. Its totient is φ = 99332472.

The previous prime is 297997421. The next prime is 297997457. The reversal of 297997422 is 224799792.

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

297997422 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (297997421) 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 in 3 ways as a sum of consecutive naturals, for example, 24833113 + ... + 24833124.

It is an arithmetic number, because the mean of its divisors is an integer number (74499357).

Almost surely, 2^297997422 is an apocalyptic number.

297997422 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

297997422 is a wasteful number, since it uses less digits than its factorization.

297997422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49666242.

The product of its digits is 1143072, while the sum is 51.

The square root of 297997422 is about 17262.6018317054. The cubic root of 297997422 is about 667.9400770348.

The spelling of 297997422 in words is "two hundred ninety-seven million, nine hundred ninety-seven thousand, four hundred twenty-two".