220354241 has 4 divisors (see below), whose sum is σ = 220677552. Its totient is φ = 220030932.

The previous prime is 220354219. The next prime is 220354243. The reversal of 220354241 is 142453022.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 220354241 - 2⁶ = 220354177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220354243) 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, 160631 + ... + 161996.

It is an arithmetic number, because the mean of its divisors is an integer number (55169388).

Almost surely, 2^220354241 is an apocalyptic number.

It is an amenable number.

220354241 is a deficient number, since it is larger than the sum of its proper divisors (323311).

220354241 is an equidigital number, since it uses as much as digits as its factorization.

220354241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323310.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 220354241 is about 14844.3336327368. Note that the first 3 decimals coincide. The cubic root of 220354241 is about 604.0049129390.

The spelling of 220354241 in words is "two hundred twenty million, three hundred fifty-four thousand, two hundred forty-one".