222231001222 has 4 divisors (see below), whose sum is σ = 333346501836. Its totient is φ = 111115500610.

The previous prime is 222231001199. The next prime is 222231001283. The reversal of 222231001222 is 222100132222.

222231001222 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a self number, because there is not a number n which added to its sum of digits gives 222231001222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55557750304 + ... + 55557750307.

It is an arithmetic number, because the mean of its divisors is an integer number (83336625459).

Almost surely, 2^222231001222 is an apocalyptic number.

222231001222 is a deficient number, since it is larger than the sum of its proper divisors (111115500614).

222231001222 is a wasteful number, since it uses less digits than its factorization.

222231001222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111115500613.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 222231001222 its reverse (222100132222), we get a palindrome (444331133444).

The spelling of 222231001222 in words is "two hundred twenty-two billion, two hundred thirty-one million, one thousand, two hundred twenty-two".