122235415 has 4 divisors (see below), whose sum is σ = 146682504. Its totient is φ = 97788328.

The previous prime is 122235413. The next prime is 122235431. The reversal of 122235415 is 514532221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 514532221 = 7 ⋅73504603.

It is a cyclic number.

It is not a de Polignac number, because 122235415 - 2¹ = 122235413 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 122235415.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122235413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12223537 + ... + 12223546.

It is an arithmetic number, because the mean of its divisors is an integer number (36670626).

Almost surely, 2^122235415 is an apocalyptic number.

122235415 is a deficient number, since it is larger than the sum of its proper divisors (24447089).

122235415 is an equidigital number, since it uses as much as digits as its factorization.

122235415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24447088.

The product of its digits is 2400, while the sum is 25.

The square root of 122235415 is about 11056.0126175760. The cubic root of 122235415 is about 496.2863729005.

Adding to 122235415 its reverse (514532221), we get a palindrome (636767636).

The spelling of 122235415 in words is "one hundred twenty-two million, two hundred thirty-five thousand, four hundred fifteen".