122302215 has 48 divisors (see below), whose sum is σ = 243916608. Its totient is φ = 55531008.

The previous prime is 122302211. The next prime is 122302237. The reversal of 122302215 is 512203221.

It is not a de Polignac number, because 122302215 - 2² = 122302211 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122302211) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 48219 + ... + 50691.

It is an arithmetic number, because the mean of its divisors is an integer number (5081596).

Almost surely, 2^122302215 is an apocalyptic number.

122302215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

122302215 is a deficient number, since it is larger than the sum of its proper divisors (121614393).

122302215 is a wasteful number, since it uses less digits than its factorization.

122302215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2648 (or 2645 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 122302215 is about 11059.0331855909. The cubic root of 122302215 is about 496.3767610326.

Adding to 122302215 its reverse (512203221), we get a palindrome (634505436).

The spelling of 122302215 in words is "one hundred twenty-two million, three hundred two thousand, two hundred fifteen".