22222224444397 has 16 divisors (see below), whose sum is σ = 22719719227392. Its totient is φ = 21725767139440.

The previous prime is 22222224444391. The next prime is 22222224444419. The reversal of 22222224444397 is 79344442222222.

It is a cyclic number.

It is not a de Polignac number, because 22222224444397 - 2¹¹ = 22222224442349 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22222224444397.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22222224444391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 238228188 + ... + 238321450.

It is an arithmetic number, because the mean of its divisors is an integer number (1419982451712).

Almost surely, 2^{22222224444397} is an apocalyptic number.

It is an amenable number.

22222224444397 is a deficient number, since it is larger than the sum of its proper divisors (497494782995).

22222224444397 is a wasteful number, since it uses less digits than its factorization.

22222224444397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98768.

The product of its digits is 6193152, while the sum is 49.

The spelling of 22222224444397 in words is "twenty-two trillion, two hundred twenty-two billion, two hundred twenty-four million, four hundred forty-four thousand, three hundred ninety-seven".