46722257 has 2 divisors, whose sum is σ = 46722258. Its totient is φ = 46722256.

The previous prime is 46722233. The next prime is 46722287. The reversal of 46722257 is 75222764.

46722257 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 can be written as a sum of positive squares in only one way, i.e., 43020481 + 3701776 = 6559^2 + 1924^2 .

It is a cyclic number.

It is not a de Polignac number, because 46722257 - 2²⁰ = 45673681 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (46722217) 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, 23361128 + 23361129.

It is an arithmetic number, because the mean of its divisors is an integer number (23361129).

Almost surely, 2^46722257 is an apocalyptic number.

It is an amenable number.

46722257 is a deficient number, since it is larger than the sum of its proper divisors (1).

46722257 is an equidigital number, since it uses as much as digits as its factorization.

46722257 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 47040, while the sum is 35.

The square root of 46722257 is about 6835.3680954284. The cubic root of 46722257 is about 360.1703334889.

The spelling of 46722257 in words is "forty-six million, seven hundred twenty-two thousand, two hundred fifty-seven".