222210001222 has 16 divisors (see below), whose sum is σ = 367216531344. Its totient is φ = 100004500000.

The previous prime is 222210001219. The next prime is 222210001303. The reversal of 222210001222 is 222100012222.

It is a junction number, because it is equal to n+sod(n) for n = 222210001196 and 222210001205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50000029 + ... + 50004472.

It is an arithmetic number, because the mean of its divisors is an integer number (22951033209).

Almost surely, 2^222210001222 is an apocalyptic number.

222210001222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

222210001222 is a deficient number, since it is larger than the sum of its proper divisors (145006530122).

222210001222 is a wasteful number, since it uses less digits than its factorization.

222210001222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100004615.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 222210001222 its reverse (222100012222), we get a palindrome (444310013444).

It can be divided in two parts, 22221000 and 1222, that added together give a palindrome (22222222).

The spelling of 222210001222 in words is "two hundred twenty-two billion, two hundred ten million, one thousand, two hundred twenty-two".