22220015455 has 16 divisors (see below), whose sum is σ = 29414858400. Its totient is φ = 15978434560.

The previous prime is 22220015423. The next prime is 22220015471. The reversal of 22220015455 is 55451002222.

It is not a de Polignac number, because 22220015455 - 2⁵ = 22220015423 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2264770 + ... + 2274559.

It is an arithmetic number, because the mean of its divisors is an integer number (1838428650).

Almost surely, 2^22220015455 is an apocalyptic number.

22220015455 is a deficient number, since it is larger than the sum of its proper divisors (7194842945).

22220015455 is a wasteful number, since it uses less digits than its factorization.

22220015455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4539434.

The product of its (nonzero) digits is 8000, while the sum is 28.

Adding to 22220015455 its reverse (55451002222), we get a palindrome (77671017677).

The spelling of 22220015455 in words is "twenty-two billion, two hundred twenty million, fifteen thousand, four hundred fifty-five".