22101233 has 32 divisors (see below), whose sum is σ = 29196288. Its totient is φ = 16228800.

The previous prime is 22101193. The next prime is 22101239. The reversal of 22101233 is 33210122.

It is a happy number.

It is not a de Polignac number, because 22101233 - 2¹⁴ = 22084849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22101239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 112091 + ... + 112287.

It is an arithmetic number, because the mean of its divisors is an integer number (912384).

Almost surely, 2^22101233 is an apocalyptic number.

It is an amenable number.

22101233 is a deficient number, since it is larger than the sum of its proper divisors (7095055).

22101233 is a wasteful number, since it uses less digits than its factorization.

22101233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 22101233 is about 4701.1948481211. The cubic root of 22101233 is about 280.6330616580.

Adding to 22101233 its reverse (33210122), we get a palindrome (55311355).

Subtracting 22101233 from its reverse (33210122), we obtain a square (11108889 = 3333²).

It can be divided in two parts, 2210 and 1233, that added together give a palindrome (3443).

The spelling of 22101233 in words is "twenty-two million, one hundred one thousand, two hundred thirty-three".