47227493 has 2 divisors, whose sum is σ = 47227494. Its totient is φ = 47227492.

The previous prime is 47227463. The next prime is 47227501. The reversal of 47227493 is 39472274.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45792289 + 1435204 = 6767^2 + 1198^2 .

It is a cyclic number.

It is not a de Polignac number, because 47227493 - 2¹⁸ = 46965349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47227403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23613746 + 23613747.

It is an arithmetic number, because the mean of its divisors is an integer number (23613747).

Almost surely, 2^47227493 is an apocalyptic number.

It is an amenable number.

47227493 is a deficient number, since it is larger than the sum of its proper divisors (1).

47227493 is an equidigital number, since it uses as much as digits as its factorization.

47227493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 84672, while the sum is 38.

The square root of 47227493 is about 6872.2262040768. The cubic root of 47227493 is about 361.4639283170.

The spelling of 47227493 in words is "forty-seven million, two hundred twenty-seven thousand, four hundred ninety-three".