46220809 has 4 divisors (see below), whose sum is σ = 47814660. Its totient is φ = 44626960.

The previous prime is 46220803. The next prime is 46220833. The reversal of 46220809 is 90802264.

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 10220809 + 36000000 = 3197^2 + 6000^2 .

It is a cyclic number.

It is not a de Polignac number, because 46220809 - 2²¹ = 44123657 is a prime.

It is a super-3 number, since 3×46220809³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (46220803) 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, 796882 + ... + 796939.

It is an arithmetic number, because the mean of its divisors is an integer number (11953665).

Almost surely, 2^46220809 is an apocalyptic number.

It is an amenable number.

46220809 is a deficient number, since it is larger than the sum of its proper divisors (1593851).

46220809 is a wasteful number, since it uses less digits than its factorization.

46220809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1593850.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 46220809 is about 6798.5887506158. The cubic root of 46220809 is about 358.8771832322.

The spelling of 46220809 in words is "forty-six million, two hundred twenty thousand, eight hundred nine".