247122473 has 8 divisors (see below), whose sum is σ = 269123400. Its totient is φ = 225548928.

The previous prime is 247122451. The next prime is 247122481. The reversal of 247122473 is 374221742.

It can be written as a sum of positive squares in 4 ways, for example, as 4012009 + 243110464 = 2003^2 + 15592^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 247122473 - 2¹⁰ = 247121449 is a prime.

It is a super-2 number, since 2×247122473² = 122139033323271458, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (247122973) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105638 + ... + 107951.

It is an arithmetic number, because the mean of its divisors is an integer number (33640425).

Almost surely, 2^247122473 is an apocalyptic number.

It is an amenable number.

247122473 is a deficient number, since it is larger than the sum of its proper divisors (22000927).

247122473 is a wasteful number, since it uses less digits than its factorization.

247122473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213691.

The product of its digits is 18816, while the sum is 32.

The square root of 247122473 is about 15720.1295478123. The cubic root of 247122473 is about 627.5342207651.

The spelling of 247122473 in words is "two hundred forty-seven million, one hundred twenty-two thousand, four hundred seventy-three".