297228226 has 8 divisors (see below), whose sum is σ = 447842304. Its totient is φ = 147947460.

The previous prime is 297228209. The next prime is 297228259. The reversal of 297228226 is 622822792.

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

It is a super-2 number, since 2×297228226² = 176689236662214152, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 332770 + ... + 333661.

It is an arithmetic number, because the mean of its divisors is an integer number (55980288).

Almost surely, 2^297228226 is an apocalyptic number.

297228226 is a deficient number, since it is larger than the sum of its proper divisors (150614078).

297228226 is a wasteful number, since it uses less digits than its factorization.

297228226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666656.

The product of its digits is 96768, while the sum is 40.

The square root of 297228226 is about 17240.3081758999. The cubic root of 297228226 is about 667.3648824313.

The spelling of 297228226 in words is "two hundred ninety-seven million, two hundred twenty-eight thousand, two hundred twenty-six".