247422443 has 2 divisors, whose sum is σ = 247422444. Its totient is φ = 247422442.

The previous prime is 247422401. The next prime is 247422481. The reversal of 247422443 is 344224742.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 247422443 - 2²⁴ = 230645227 is a prime.

It is a super-2 number, since 2×247422443² = 122435730600176498, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (247422493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 123711221 + 123711222.

It is an arithmetic number, because the mean of its divisors is an integer number (123711222).

Almost surely, 2^247422443 is an apocalyptic number.

247422443 is a deficient number, since it is larger than the sum of its proper divisors (1).

247422443 is an equidigital number, since it uses as much as digits as its factorization.

247422443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 43008, while the sum is 32.

The square root of 247422443 is about 15729.6676061511. The cubic root of 247422443 is about 627.7880292290.

The spelling of 247422443 in words is "two hundred forty-seven million, four hundred twenty-two thousand, four hundred forty-three".