46227721 has 4 divisors (see below), whose sum is σ = 46245700. Its totient is φ = 46209744.

The previous prime is 46227707. The next prime is 46227733. The reversal of 46227721 is 12772264.

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 9455625 + 36772096 = 3075^2 + 6064^2 .

It is a cyclic number.

It is not a de Polignac number, because 46227721 - 2¹⁷ = 46096649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (46227751) 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, 4326 + ... + 10543.

It is an arithmetic number, because the mean of its divisors is an integer number (11561425).

Almost surely, 2^46227721 is an apocalyptic number.

It is an amenable number.

46227721 is a deficient number, since it is larger than the sum of its proper divisors (17979).

46227721 is a wasteful number, since it uses less digits than its factorization.

46227721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17978.

The product of its digits is 9408, while the sum is 31.

The square root of 46227721 is about 6799.0970724060. The cubic root of 46227721 is about 358.8950715347.

Adding to 46227721 its reverse (12772264), we get a palindrome (58999985).

The spelling of 46227721 in words is "forty-six million, two hundred twenty-seven thousand, seven hundred twenty-one".