46130221 has 2 divisors, whose sum is σ = 46130222. Its totient is φ = 46130220.

The previous prime is 46130219. The next prime is 46130239. The reversal of 46130221 is 12203164.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39312900 + 6817321 = 6270^2 + 2611^2 .

It is a cyclic number.

It is not a de Polignac number, because 46130221 - 2¹ = 46130219 is a prime.

Together with 46130219, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (46130291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23065110 + 23065111.

It is an arithmetic number, because the mean of its divisors is an integer number (23065111).

Almost surely, 2^46130221 is an apocalyptic number.

It is an amenable number.

46130221 is a deficient number, since it is larger than the sum of its proper divisors (1).

46130221 is an equidigital number, since it uses as much as digits as its factorization.

46130221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 46130221 is about 6791.9232180583. The cubic root of 46130221 is about 358.6425758561.

Adding to 46130221 its reverse (12203164), we get a palindrome (58333385).

The spelling of 46130221 in words is "forty-six million, one hundred thirty thousand, two hundred twenty-one".