222021112 has 16 divisors (see below), whose sum is σ = 416508840. Its totient is φ = 110952096.

The previous prime is 222021103. The next prime is 222021113. The reversal of 222021112 is 211120222.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 222021092 and 222021101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222021113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11758 + ... + 24130.

Almost surely, 2^222021112 is an apocalyptic number.

It is an amenable number.

222021112 is a deficient number, since it is larger than the sum of its proper divisors (194487728).

222021112 is a wasteful number, since it uses less digits than its factorization.

222021112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14622 (or 14618 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 222021112 is about 14900.3728812403. The cubic root of 222021112 is about 605.5240883660.

Adding to 222021112 its reverse (211120222), we get a palindrome (433141334).

It can be divided in two parts, 2220 and 21112, that added together give a palindrome (23332).

The spelling of 222021112 in words is "two hundred twenty-two million, twenty-one thousand, one hundred twelve".