46242221 has 4 divisors (see below), whose sum is σ = 46482012. Its totient is φ = 46002432.

The previous prime is 46242191. The next prime is 46242223. The reversal of 46242221 is 12224264.

46242221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 6375625 + 39866596 = 2525^2 + 6314^2 .

It is a cyclic number.

It is not a de Polignac number, because 46242221 - 2¹⁰ = 46241197 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 (46242223) 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 in 3 ways as a sum of consecutive naturals, for example, 119606 + ... + 119991.

It is an arithmetic number, because the mean of its divisors is an integer number (11620503).

Almost surely, 2^46242221 is an apocalyptic number.

It is an amenable number.

46242221 is a deficient number, since it is larger than the sum of its proper divisors (239791).

46242221 is a wasteful number, since it uses less digits than its factorization.

46242221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239790.

The product of its digits is 1536, while the sum is 23.

The square root of 46242221 is about 6800.1633068626. The cubic root of 46242221 is about 358.9325918394.

Adding to 46242221 its reverse (12224264), we get a palindrome (58466485).

The spelling of 46242221 in words is "forty-six million, two hundred forty-two thousand, two hundred twenty-one".