247413228 has 48 divisors (see below), whose sum is σ = 606735360. Its totient is φ = 78369984.

The previous prime is 247413197. The next prime is 247413233. The reversal of 247413228 is 822314742.

It is a happy number.

It is a super-2 number, since 2×247413228² = 122426610778759968, which contains 22 as substring.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 12613 + ... + 25571.

It is an arithmetic number, because the mean of its divisors is an integer number (12640320).

Almost surely, 2^247413228 is an apocalyptic number.

It is an amenable number.

247413228 is an abundant number, since it is smaller than the sum of its proper divisors (359322132).

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

247413228 is a wasteful number, since it uses less digits than its factorization.

247413228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13046 (or 13044 counting only the distinct ones).

The product of its digits is 21504, while the sum is 33.

The square root of 247413228 is about 15729.3746856002. The cubic root of 247413228 is about 627.7802353544.

The spelling of 247413228 in words is "two hundred forty-seven million, four hundred thirteen thousand, two hundred twenty-eight".