46865221 has 6 divisors (see below), whose sum is σ = 50747730. Its totient is φ = 43260048.

The previous prime is 46865219. The next prime is 46865233. The reversal of 46865221 is 12256864.

46865221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 2788900 + 44076321 = 1670^2 + 6639^2 .

It is not a de Polignac number, because 46865221 - 2¹ = 46865219 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 (46865201) 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 5 ways as a sum of consecutive naturals, for example, 138486 + ... + 138823.

It is an arithmetic number, because the mean of its divisors is an integer number (8457955).

Almost surely, 2^46865221 is an apocalyptic number.

It is an amenable number.

46865221 is a deficient number, since it is larger than the sum of its proper divisors (3882509).

46865221 is a wasteful number, since it uses less digits than its factorization.

46865221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277335 (or 277322 counting only the distinct ones).

The product of its digits is 23040, while the sum is 34.

The square root of 46865221 is about 6845.8177743787. The cubic root of 46865221 is about 360.5373174845.

The spelling of 46865221 in words is "forty-six million, eight hundred sixty-five thousand, two hundred twenty-one".