46221845 has 4 divisors (see below), whose sum is σ = 55466220. Its totient is φ = 36977472.

The previous prime is 46221829. The next prime is 46221887. The reversal of 46221845 is 54812264.

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 31460881 + 14760964 = 5609^2 + 3842^2 .

It is a cyclic number.

It is not a de Polignac number, because 46221845 - 2⁴ = 46221829 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4622180 + ... + 4622189.

It is an arithmetic number, because the mean of its divisors is an integer number (13866555).

Almost surely, 2^46221845 is an apocalyptic number.

It is an amenable number.

46221845 is a deficient number, since it is larger than the sum of its proper divisors (9244375).

46221845 is an equidigital number, since it uses as much as digits as its factorization.

46221845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9244374.

The product of its digits is 15360, while the sum is 32.

The square root of 46221845 is about 6798.6649424722. The cubic root of 46221845 is about 358.8798645207.

The spelling of 46221845 in words is "forty-six million, two hundred twenty-one thousand, eight hundred forty-five".