46422139 has 2 divisors, whose sum is σ = 46422140. Its totient is φ = 46422138.

The previous prime is 46422113. The next prime is 46422151. The reversal of 46422139 is 93122464.

It is a happy number.

46422139 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 46422139 - 2⁵ = 46422107 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 46422139.

It is not a weakly prime, because it can be changed into another prime (46422109) 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, 23211069 + 23211070.

It is an arithmetic number, because the mean of its divisors is an integer number (23211070).

Almost surely, 2^46422139 is an apocalyptic number.

46422139 is a deficient number, since it is larger than the sum of its proper divisors (1).

46422139 is an equidigital number, since it uses as much as digits as its factorization.

46422139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 31.

The square root of 46422139 is about 6813.3794111293. The cubic root of 46422139 is about 359.3974978631.

The spelling of 46422139 in words is "forty-six million, four hundred twenty-two thousand, one hundred thirty-nine".