47224319 has 2 divisors, whose sum is σ = 47224320. Its totient is φ = 47224318.

The previous prime is 47224273. The next prime is 47224327. The reversal of 47224319 is 91342274.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47224319 is a prime.

It is a super-2 number, since 2×47224319² = 4460272610027522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47224349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23612159 + 23612160.

It is an arithmetic number, because the mean of its divisors is an integer number (23612160).

Almost surely, 2^47224319 is an apocalyptic number.

47224319 is a deficient number, since it is larger than the sum of its proper divisors (1).

47224319 is an equidigital number, since it uses as much as digits as its factorization.

47224319 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12096, while the sum is 32.

The square root of 47224319 is about 6871.9952706619. The cubic root of 47224319 is about 361.4558305465.

The spelling of 47224319 in words is "forty-seven million, two hundred twenty-four thousand, three hundred nineteen".