46610221 has 12 divisors (see below), whose sum is σ = 56091420. Its totient is φ = 38572800.

The previous prime is 46610219. The next prime is 46610231. The reversal of 46610221 is 12201664.

It can be written as a sum of positive squares in 2 ways, for example, as 15093225 + 31516996 = 3885^2 + 5614^2 .

It is not a de Polignac number, because 46610221 - 2¹ = 46610219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 46610192 and 46610201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46610231) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14980 + ... + 17821.

It is an arithmetic number, because the mean of its divisors is an integer number (4674285).

Almost surely, 2^46610221 is an apocalyptic number.

It is an amenable number.

46610221 is a deficient number, since it is larger than the sum of its proper divisors (9481199).

46610221 is a wasteful number, since it uses less digits than its factorization.

46610221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32844 (or 32837 counting only the distinct ones).

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

The square root of 46610221 is about 6827.1678608337. The cubic root of 46610221 is about 359.8822171271.

Adding to 46610221 its reverse (12201664), we get a palindrome (58811885).

The spelling of 46610221 in words is "forty-six million, six hundred ten thousand, two hundred twenty-one".