46601221 has 2 divisors, whose sum is σ = 46601222. Its totient is φ = 46601220.

The previous prime is 46601213. The next prime is 46601237. The reversal of 46601221 is 12210664.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45360225 + 1240996 = 6735^2 + 1114^2 .

It is a cyclic number.

It is not a de Polignac number, because 46601221 - 2³ = 46601213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 46601192 and 46601201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (46601021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23300610 + 23300611.

It is an arithmetic number, because the mean of its divisors is an integer number (23300611).

Almost surely, 2^46601221 is an apocalyptic number.

It is an amenable number.

46601221 is a deficient number, since it is larger than the sum of its proper divisors (1).

46601221 is an equidigital number, since it uses as much as digits as its factorization.

46601221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 46601221 is about 6826.5086977166. The cubic root of 46601221 is about 359.8590523335.

Adding to 46601221 its reverse (12210664), we get a palindrome (58811885).

The spelling of 46601221 in words is "forty-six million, six hundred one thousand, two hundred twenty-one".