122217415 has 8 divisors (see below), whose sum is σ = 147220128. Its totient is φ = 97401120.

The previous prime is 122217413. The next prime is 122217427. The reversal of 122217415 is 514712221.

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

It is not a de Polignac number, because 122217415 - 2¹ = 122217413 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 122217415.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122217413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45156 + ... + 47785.

It is an arithmetic number, because the mean of its divisors is an integer number (18402516).

Almost surely, 2^122217415 is an apocalyptic number.

122217415 is a deficient number, since it is larger than the sum of its proper divisors (25002713).

122217415 is an equidigital number, since it uses as much as digits as its factorization.

122217415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93209.

The product of its digits is 1120, while the sum is 25.

The square root of 122217415 is about 11055.1985509081. The cubic root of 122217415 is about 496.2620111849.

Adding to 122217415 its reverse (514712221), we get a palindrome (636929636).

The spelling of 122217415 in words is "one hundred twenty-two million, two hundred seventeen thousand, four hundred fifteen".