122205315 has 16 divisors (see below), whose sum is σ = 197024256. Its totient is φ = 64677600.

The previous prime is 122205313. The next prime is 122205323. The reversal of 122205315 is 513502221.

It is not a de Polignac number, because 122205315 - 2¹ = 122205313 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122205291 and 122205300.

It is not an unprimeable number, because it can be changed into a prime (122205313) 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, 29131 + ... + 33060.

It is an arithmetic number, because the mean of its divisors is an integer number (12314016).

Almost surely, 2^122205315 is an apocalyptic number.

122205315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

122205315 is a deficient number, since it is larger than the sum of its proper divisors (74818941).

122205315 is a wasteful number, since it uses less digits than its factorization.

122205315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62330.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 122205315 is about 11054.6512835096. The cubic root of 122205315 is about 496.2456333539.

Adding to 122205315 its reverse (513502221), we get a palindrome (635707536).

The spelling of 122205315 in words is "one hundred twenty-two million, two hundred five thousand, three hundred fifteen".