222227111138 has 6 divisors (see below), whose sum is σ = 333341666721. Its totient is φ = 111113222232.

The previous prime is 222227111111. The next prime is 222227111147. The reversal of 222227111138 is 831111722222.

It can be written as a sum of positive squares in 2 ways, for example, as 217587730369 + 4639380769 = 466463^2 + 68113^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=333337.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 500006 + ... + 833342.

Almost surely, 2^222227111138 is an apocalyptic number.

222227111138 is a deficient number, since it is larger than the sum of its proper divisors (111114555583).

222227111138 is an frugal number, since it uses more digits than its factorization.

222227111138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666676 (or 333339 counting only the distinct ones).

The product of its digits is 5376, while the sum is 32.

Multiplying 222227111138 by its sum of digits (32), we get a square (7111267556416 = 2666696²).

The spelling of 222227111138 in words is "two hundred twenty-two billion, two hundred twenty-seven million, one hundred eleven thousand, one hundred thirty-eight".