47022539 has 2 divisors, whose sum is σ = 47022540. Its totient is φ = 47022538.

The previous prime is 47022529. The next prime is 47022553. The reversal of 47022539 is 93522074.

It is a happy number.

47022539 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47022539 - 2¹² = 47018443 is a prime.

It is a super-2 number, since 2×47022539² = 4422238348013042, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (47022529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23511269 + 23511270.

It is an arithmetic number, because the mean of its divisors is an integer number (23511270).

Almost surely, 2^47022539 is an apocalyptic number.

47022539 is a deficient number, since it is larger than the sum of its proper divisors (1).

47022539 is an equidigital number, since it uses as much as digits as its factorization.

47022539 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 47022539 is about 6857.2982288945. The cubic root of 47022539 is about 360.9402862637.

The spelling of 47022539 in words is "forty-seven million, twenty-two thousand, five hundred thirty-nine".