47322449 has 2 divisors, whose sum is σ = 47322450. Its totient is φ = 47322448.

The previous prime is 47322437. The next prime is 47322493. The reversal of 47322449 is 94422374.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27457600 + 19864849 = 5240^2 + 4457^2 .

It is a cyclic number.

It is not a de Polignac number, because 47322449 - 2⁴ = 47322433 is a prime.

It is a Chen prime.

It is equal to p_2849921 and since 47322449 and 2849921 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (47322419) 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, 23661224 + 23661225.

It is an arithmetic number, because the mean of its divisors is an integer number (23661225).

Almost surely, 2^47322449 is an apocalyptic number.

It is an amenable number.

47322449 is a deficient number, since it is larger than the sum of its proper divisors (1).

47322449 is an equidigital number, since it uses as much as digits as its factorization.

47322449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48384, while the sum is 35.

The square root of 47322449 is about 6879.1314131945. The cubic root of 47322449 is about 361.7060202906.

It can be divided in two parts, 473 and 22449, that added together give a palindrome (22922).

The spelling of 47322449 in words is "forty-seven million, three hundred twenty-two thousand, four hundred forty-nine".