220343245 has 8 divisors (see below), whose sum is σ = 267759360. Its totient is φ = 174042960.

The previous prime is 220343231. The next prime is 220343261. The reversal of 220343245 is 542343022.

220343245 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 220343245 - 2¹¹ = 220341197 is a prime.

It is a super-2 number, since 2×220343245² = 97102291234260050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 278521 + ... + 279310.

It is an arithmetic number, because the mean of its divisors is an integer number (33469920).

Almost surely, 2^220343245 is an apocalyptic number.

It is an amenable number.

220343245 is a deficient number, since it is larger than the sum of its proper divisors (47416115).

220343245 is an equidigital number, since it uses as much as digits as its factorization.

220343245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557915.

The product of its (nonzero) digits is 5760, while the sum is 25.

The square root of 220343245 is about 14843.9632510998. The cubic root of 220343245 is about 603.9948658614.

Adding to 220343245 its reverse (542343022), we get a palindrome (762686267).

The spelling of 220343245 in words is "two hundred twenty million, three hundred forty-three thousand, two hundred forty-five".