46805221 has 4 divisors (see below), whose sum is σ = 47119500. Its totient is φ = 46490944.

The previous prime is 46805219. The next prime is 46805237. The reversal of 46805221 is 12250864.

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 29582721 + 17222500 = 5439^2 + 4150^2 .

It is a cyclic number.

It is not a de Polignac number, because 46805221 - 2¹ = 46805219 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 46805221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46805021) 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, 156916 + ... + 157213.

It is an arithmetic number, because the mean of its divisors is an integer number (11779875).

Almost surely, 2^46805221 is an apocalyptic number.

It is an amenable number.

46805221 is a deficient number, since it is larger than the sum of its proper divisors (314279).

46805221 is a wasteful number, since it uses less digits than its factorization.

46805221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314278.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 46805221 is about 6841.4341332794. The cubic root of 46805221 is about 360.3833904228.

The spelling of 46805221 in words is "forty-six million, eight hundred five thousand, two hundred twenty-one".