247222324 has 6 divisors (see below), whose sum is σ = 432639074. Its totient is φ = 123611160.

The previous prime is 247222309. The next prime is 247222387. The reversal of 247222324 is 423222742.

247222324 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 242736400 + 4485924 = 15580^2 + 2118^2 .

It is a super-2 number, since 2×247222324² = 122237754967921952, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 247222292 and 247222301.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30902787 + ... + 30902794.

Almost surely, 2^247222324 is an apocalyptic number.

It is an amenable number.

247222324 is a deficient number, since it is larger than the sum of its proper divisors (185416750).

247222324 is a wasteful number, since it uses less digits than its factorization.

247222324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61805585 (or 61805583 counting only the distinct ones).

The product of its digits is 10752, while the sum is 28.

The square root of 247222324 is about 15723.3051232875. The cubic root of 247222324 is about 627.6187287708.

The spelling of 247222324 in words is "two hundred forty-seven million, two hundred twenty-two thousand, three hundred twenty-four".