122442215 has 8 divisors (see below), whose sum is σ = 167920800. Its totient is φ = 83960352.

The previous prime is 122442209. The next prime is 122442223. The reversal of 122442215 is 512244221.

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

It is a de Polignac number, because none of the positive numbers 2^k-122442215 is a prime.

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, 1749140 + ... + 1749209.

It is an arithmetic number, because the mean of its divisors is an integer number (20990100).

Almost surely, 2^122442215 is an apocalyptic number.

122442215 is a deficient number, since it is larger than the sum of its proper divisors (45478585).

122442215 is an equidigital number, since it uses as much as digits as its factorization.

122442215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3498361.

The product of its digits is 1280, while the sum is 23.

The square root of 122442215 is about 11065.3610424604. The cubic root of 122442215 is about 496.5660905204.

Adding to 122442215 its reverse (512244221), we get a palindrome (634686436).

The spelling of 122442215 in words is "one hundred twenty-two million, four hundred forty-two thousand, two hundred fifteen".