22222505154147 has 16 divisors (see below), whose sum is σ = 29645615204352. Its totient is φ = 14807200426560.

The previous prime is 22222505154137. The next prime is 22222505154149. The reversal of 22222505154147 is 74145150522222.

It is not a de Polignac number, because 22222505154147 - 2⁷ = 22222505154019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22222505154099 and 22222505154108.

It is not an unprimeable number, because it can be changed into a prime (22222505154149) by changing a digit.

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, 80657778 + ... + 80932824.

It is an arithmetic number, because the mean of its divisors is an integer number (1852850950272).

Almost surely, 2^{22222505154147} is an apocalyptic number.

22222505154147 is a deficient number, since it is larger than the sum of its proper divisors (7423110050205).

22222505154147 is a wasteful number, since it uses less digits than its factorization.

22222505154147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289138.

The product of its (nonzero) digits is 448000, while the sum is 42.

Adding to 22222505154147 its reverse (74145150522222), we get a palindrome (96367655676369).

The spelling of 22222505154147 in words is "twenty-two trillion, two hundred twenty-two billion, five hundred five million, one hundred fifty-four thousand, one hundred forty-seven".