2122455455 has 16 divisors (see below), whose sum is σ = 2630596608. Its totient is φ = 1642260000.

The previous prime is 2122455409. The next prime is 2122455463. The reversal of 2122455455 is 5545542212.

It is not a de Polignac number, because 2122455455 - 2⁸ = 2122455199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 417680 + ... + 422730.

It is an arithmetic number, because the mean of its divisors is an integer number (164412288).

Almost surely, 2^2122455455 is an apocalyptic number.

2122455455 is a deficient number, since it is larger than the sum of its proper divisors (508141153).

2122455455 is a wasteful number, since it uses less digits than its factorization.

2122455455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7798.

The product of its digits is 80000, while the sum is 35.

The square root of 2122455455 is about 46070.1145537972. The cubic root of 2122455455 is about 1285.1274341564.

Adding to 2122455455 its reverse (5545542212), we get a palindrome (7667997667).

The spelling of 2122455455 in words is "two billion, one hundred twenty-two million, four hundred fifty-five thousand, four hundred fifty-five".