2122404145 has 16 divisors (see below), whose sum is σ = 2605794048. Its totient is φ = 1658782080.

The previous prime is 2122404131. The next prime is 2122404149. The reversal of 2122404145 is 5414042212.

It is not a de Polignac number, because 2122404145 - 2⁵ = 2122404113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2122404149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126277 + ... + 142093.

It is an arithmetic number, because the mean of its divisors is an integer number (162862128).

Almost surely, 2^2122404145 is an apocalyptic number.

It is an amenable number.

2122404145 is a deficient number, since it is larger than the sum of its proper divisors (483389903).

2122404145 is a wasteful number, since it uses less digits than its factorization.

2122404145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16440.

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 2122404145 is about 46069.5576818358. The cubic root of 2122404145 is about 1285.1170781605.

Adding to 2122404145 its reverse (5414042212), we get a palindrome (7536446357).

The spelling of 2122404145 in words is "two billion, one hundred twenty-two million, four hundred four thousand, one hundred forty-five".