220341481 has 4 divisors (see below), whose sum is σ = 220389264. Its totient is φ = 220293700.

The previous prime is 220341467. The next prime is 220341487. The reversal of 220341481 is 184143022.

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 220341481 - 2⁷ = 220341353 is a prime.

It is a super-2 number, since 2×220341481² = 97100736498546722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220341487) 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, 16135 + ... + 26476.

It is an arithmetic number, because the mean of its divisors is an integer number (55097316).

Almost surely, 2^220341481 is an apocalyptic number.

It is an amenable number.

220341481 is a deficient number, since it is larger than the sum of its proper divisors (47783).

220341481 is an equidigital number, since it uses as much as digits as its factorization.

220341481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47782.

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 220341481 is about 14843.9038328871. The cubic root of 220341481 is about 603.9932540582.

The spelling of 220341481 in words is "two hundred twenty million, three hundred forty-one thousand, four hundred eighty-one".