122220045415 has 24 divisors (see below), whose sum is σ = 158958162720. Its totient is φ = 90172727424.

The previous prime is 122220045401. The next prime is 122220045433. The reversal of 122220045415 is 514540022221.

It is a happy number.

It is not a de Polignac number, because 122220045415 - 2¹⁷ = 122219914343 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 871894 + ... + 1002316.

It is an arithmetic number, because the mean of its divisors is an integer number (6623256780).

Almost surely, 2^122220045415 is an apocalyptic number.

122220045415 is a deficient number, since it is larger than the sum of its proper divisors (36738117305).

122220045415 is a wasteful number, since it uses less digits than its factorization.

122220045415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131563 (or 131550 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 28.

Adding to 122220045415 its reverse (514540022221), we get a palindrome (636760067636).

The spelling of 122220045415 in words is "one hundred twenty-two billion, two hundred twenty million, forty-five thousand, four hundred fifteen".