222224144477 has 4 divisors (see below), whose sum is σ = 222350914140. Its totient is φ = 222097374816.

The previous prime is 222224144423. The next prime is 222224144479. The reversal of 222224144477 is 774441422222.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 81573643321 + 140650501156 = 285611^2 + 375034^2 .

It is a cyclic number.

It is not a de Polignac number, because 222224144477 - 2¹⁶ = 222224078941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222224144479) 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 3 ways as a sum of consecutive naturals, for example, 63382202 + ... + 63385707.

It is an arithmetic number, because the mean of its divisors is an integer number (55587728535).

Almost surely, 2^222224144477 is an apocalyptic number.

It is an amenable number.

222224144477 is a deficient number, since it is larger than the sum of its proper divisors (126769663).

222224144477 is a wasteful number, since it uses less digits than its factorization.

222224144477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126769662.

The product of its digits is 401408, while the sum is 41.

Adding to 222224144477 its reverse (774441422222), we get a palindrome (996665566699).

The spelling of 222224144477 in words is "two hundred twenty-two billion, two hundred twenty-four million, one hundred forty-four thousand, four hundred seventy-seven".