220315345 has 8 divisors (see below), whose sum is σ = 270826920. Its totient is φ = 171953280.

The previous prime is 220315339. The next prime is 220315351. The reversal of 220315345 is 543513022.

It is an interprime number because it is at equal distance from previous prime (220315339) and next prime (220315351).

It can be written as a sum of positive squares in 4 ways, for example, as 12609601 + 207705744 = 3551^2 + 14412^2 .

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

It is not a de Polignac number, because 220315345 - 2⁵ = 220315313 is a prime.

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, 537150 + ... + 537559.

It is an arithmetic number, because the mean of its divisors is an integer number (33853365).

Almost surely, 2^220315345 is an apocalyptic number.

It is an amenable number.

220315345 is a deficient number, since it is larger than the sum of its proper divisors (50511575).

220315345 is a wasteful number, since it uses less digits than its factorization.

220315345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1074755.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 220315345 is about 14843.0234453766. The cubic root of 220315345 is about 603.9693720490.

Adding to 220315345 its reverse (543513022), we get a palindrome (763828367).

The spelling of 220315345 in words is "two hundred twenty million, three hundred fifteen thousand, three hundred forty-five".