2223112 has 8 divisors (see below), whose sum is σ = 4168350. Its totient is φ = 1111552.

The previous prime is 2223101. The next prime is 2223113. The reversal of 2223112 is 2113222.

It can be written as a sum of positive squares in only one way, i.e., 1779556 + 443556 = 1334^2 + 666^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 2223092 and 2223101.

It is not an unprimeable number, because it can be changed into a prime (2223113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 138937 + ... + 138952.

2^2223112 is an apocalyptic number.

It is an amenable number.

2223112 is a deficient number, since it is larger than the sum of its proper divisors (1945238).

2223112 is a wasteful number, since it uses less digits than its factorization.

2223112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277895 (or 277891 counting only the distinct ones).

The product of its digits is 48, while the sum is 13.

The square root of 2223112 is about 1491.0103956713. The cubic root of 2223112 is about 130.5130025261.

Adding to 2223112 its reverse (2113222), we get a palindrome (4336334).

It can be divided in two parts, 2 and 223112, that multiplied together give a square (446224 = 668²).

The spelling of 2223112 in words is "two million, two hundred twenty-three thousand, one hundred twelve".