46635221 has 4 divisors (see below), whose sum is σ = 46736844. Its totient is φ = 46533600.

The previous prime is 46635217. The next prime is 46635227. The reversal of 46635221 is 12253664.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 30747025 + 15888196 = 5545^2 + 3986^2 .

It is a cyclic number.

It is not a de Polignac number, because 46635221 - 2² = 46635217 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46635227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50120 + ... + 51041.

It is an arithmetic number, because the mean of its divisors is an integer number (11684211).

Almost surely, 2^46635221 is an apocalyptic number.

It is an amenable number.

46635221 is a deficient number, since it is larger than the sum of its proper divisors (101623).

46635221 is a wasteful number, since it uses less digits than its factorization.

46635221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101622.

The product of its digits is 8640, while the sum is 29.

The square root of 46635221 is about 6828.9985356566. The cubic root of 46635221 is about 359.9465481340.

Adding to 46635221 its reverse (12253664), we get a palindrome (58888885).

The spelling of 46635221 in words is "forty-six million, six hundred thirty-five thousand, two hundred twenty-one".