22311112 has 8 divisors (see below), whose sum is σ = 41833350. Its totient is φ = 11155552.

The previous prime is 22311083. The next prime is 22311131. The reversal of 22311112 is 21111322.

It can be written as a sum of positive squares in only one way, i.e., 12489156 + 9821956 = 3534^2 + 3134^2 .

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

It is a super-3 number, since 3×22311112³ (a number of 23 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22311092 and 22311101.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1394437 + ... + 1394452.

Almost surely, 2^22311112 is an apocalyptic number.

It is an amenable number.

22311112 is a deficient number, since it is larger than the sum of its proper divisors (19522238).

22311112 is a wasteful number, since it uses less digits than its factorization.

22311112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2788895 (or 2788891 counting only the distinct ones).

The product of its digits is 24, while the sum is 13.

The square root of 22311112 is about 4723.4639831378. The cubic root of 22311112 is about 281.5185857640.

Adding to 22311112 its reverse (21111322), we get a palindrome (43422434).

The spelling of 22311112 in words is "twenty-two million, three hundred eleven thousand, one hundred twelve".