247422235 has 8 divisors (see below), whose sum is σ = 297162720. Its totient is φ = 197767104.

The previous prime is 247422221. The next prime is 247422239. The reversal of 247422235 is 532224742.

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 247422235 - 2¹⁹ = 246897947 is a prime.

It is a super-2 number, since 2×247422235² = 122435524744790450, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 247422197 and 247422206.

It is not an unprimeable number, because it can be changed into a prime (247422239) 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, 14775 + ... + 26704.

It is an arithmetic number, because the mean of its divisors is an integer number (37145340).

Almost surely, 2^247422235 is an apocalyptic number.

247422235 is a deficient number, since it is larger than the sum of its proper divisors (49740485).

247422235 is a wasteful number, since it uses less digits than its factorization.

247422235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42677.

The product of its digits is 26880, while the sum is 31.

The square root of 247422235 is about 15729.6609944398. The cubic root of 247422235 is about 627.7878533086.

Adding to 247422235 its reverse (532224742), we get a palindrome (779646977).

The spelling of 247422235 in words is "two hundred forty-seven million, four hundred twenty-two thousand, two hundred thirty-five".