897274228 has 6 divisors (see below), whose sum is σ = 1570229906. Its totient is φ = 448637112.

The previous prime is 897274219. The next prime is 897274243. The reversal of 897274228 is 822472798.

It can be written as a sum of positive squares in only one way, i.e., 828748944 + 68525284 = 28788^2 + 8278^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112159275 + ... + 112159282.

Almost surely, 2^897274228 is an apocalyptic number.

It is an amenable number.

897274228 is a deficient number, since it is larger than the sum of its proper divisors (672955678).

897274228 is a wasteful number, since it uses less digits than its factorization.

897274228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224318561 (or 224318559 counting only the distinct ones).

The product of its digits is 903168, while the sum is 49.

The square root of 897274228 is about 29954.5360171043. The cubic root of 897274228 is about 964.5136937781.

The spelling of 897274228 in words is "eight hundred ninety-seven million, two hundred seventy-four thousand, two hundred twenty-eight".