247365228 has 24 divisors (see below), whose sum is σ = 629657280. Its totient is φ = 74959120.

The previous prime is 247365227. The next prime is 247365233. The reversal of 247365228 is 822563742.

It is a super-2 number, since 2×247365228² = 122379112046983968, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (247365221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 936858 + ... + 937121.

It is an arithmetic number, because the mean of its divisors is an integer number (26235720).

Almost surely, 2^247365228 is an apocalyptic number.

It is an amenable number.

247365228 is an abundant number, since it is smaller than the sum of its proper divisors (382292052).

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

247365228 is a wasteful number, since it uses less digits than its factorization.

247365228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1873997 (or 1873995 counting only the distinct ones).

The product of its digits is 161280, while the sum is 39.

The square root of 247365228 is about 15727.8488039528. The cubic root of 247365228 is about 627.7396347225.

The spelling of 247365228 in words is "two hundred forty-seven million, three hundred sixty-five thousand, two hundred twenty-eight".