222226140644 has 12 divisors (see below), whose sum is σ = 388901280768. Its totient is φ = 111111489000.

The previous prime is 222226140593. The next prime is 222226140649. The reversal of 222226140644 is 446041622222.

It is not an unprimeable number, because it can be changed into a prime (222226140649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44552 + ... + 668159.

It is an arithmetic number, because the mean of its divisors is an integer number (32408440064).

Almost surely, 2^222226140644 is an apocalyptic number.

It is an amenable number.

222226140644 is a deficient number, since it is larger than the sum of its proper divisors (166675140124).

222226140644 is a wasteful number, since it uses less digits than its factorization.

222226140644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 790666 (or 790664 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 35.

Adding to 222226140644 its reverse (446041622222), we get a palindrome (668267762866).

The spelling of 222226140644 in words is "two hundred twenty-two billion, two hundred twenty-six million, one hundred forty thousand, six hundred forty-four".