22112233 has 16 divisors (see below), whose sum is σ = 26252352. Its totient is φ = 18360000.

The previous prime is 22112221. The next prime is 22112249. The reversal of 22112233 is 33221122.

It is a cyclic number.

It is not a de Polignac number, because 22112233 - 2⁵ = 22112201 is a prime.

It is a Duffinian number.

It is a zygodrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (22112213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13678 + ... + 15208.

It is an arithmetic number, because the mean of its divisors is an integer number (1640772).

Almost surely, 2^22112233 is an apocalyptic number.

It is an amenable number.

22112233 is a deficient number, since it is larger than the sum of its proper divisors (4140119).

22112233 is a wasteful number, since it uses less digits than its factorization.

22112233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1656.

The product of its digits is 144, while the sum is 16.

The square root of 22112233 is about 4702.3646179343. The cubic root of 22112233 is about 280.6796118766.

Adding to 22112233 its reverse (33221122), we get a palindrome (55333355).

Subtracting 22112233 from its reverse (33221122), we obtain a square (11108889 = 3333²).

It can be divided in two parts, 2211 and 2233, that added together give a palindrome (4444).

The spelling of 22112233 in words is "twenty-two million, one hundred twelve thousand, two hundred thirty-three".