355220115 has 16 divisors (see below), whose sum is σ = 569334528. Its totient is φ = 189123296.

The previous prime is 355220113. The next prime is 355220137. The reversal of 355220115 is 511022553.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 355220115 - 2¹ = 355220113 is a prime.

It is a super-2 number, since 2×355220115² = 252362660201226450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (355220113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11367 + ... + 28976.

It is an arithmetic number, because the mean of its divisors is an integer number (35583408).

Almost surely, 2^355220115 is an apocalyptic number.

355220115 is a deficient number, since it is larger than the sum of its proper divisors (214114413).

355220115 is a wasteful number, since it uses less digits than its factorization.

355220115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40938.

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 355220115 is about 18847.2840218425. The cubic root of 355220115 is about 708.2161892860.

Adding to 355220115 its reverse (511022553), we get a palindrome (866242668).

The spelling of 355220115 in words is "three hundred fifty-five million, two hundred twenty thousand, one hundred fifteen".