220183149 has 4 divisors (see below), whose sum is σ = 293577536. Its totient is φ = 146788764.

The previous prime is 220183129. The next prime is 220183151. The reversal of 220183149 is 941381022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 220183149 - 2¹³ = 220174957 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 (220183129) 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, 36697189 + ... + 36697194.

It is an arithmetic number, because the mean of its divisors is an integer number (73394384).

Almost surely, 2^220183149 is an apocalyptic number.

It is an amenable number.

220183149 is a deficient number, since it is larger than the sum of its proper divisors (73394387).

220183149 is an equidigital number, since it uses as much as digits as its factorization.

220183149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73394386.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 220183149 is about 14838.5696413098. The cubic root of 220183149 is about 603.8485477978.

The spelling of 220183149 in words is "two hundred twenty million, one hundred eighty-three thousand, one hundred forty-nine".