22233222011 has 32 divisors (see below), whose sum is σ = 30147296256. Its totient is φ = 15833520000.

The previous prime is 22233221971. The next prime is 22233222017. The reversal of 22233222011 is 11022233222.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 22233222011 - 2²² = 22229027707 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22233222017) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8855 + ... + 211056.

It is an arithmetic number, because the mean of its divisors is an integer number (942103008).

Almost surely, 2^22233222011 is an apocalyptic number.

22233222011 is a deficient number, since it is larger than the sum of its proper divisors (7914074245).

22233222011 is a wasteful number, since it uses less digits than its factorization.

22233222011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220043.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 22233222011 its reverse (11022233222), we get a palindrome (33255455233).

It can be divided in two parts, 222 and 33222011, that added together give a palindrome (33222233).

The spelling of 22233222011 in words is "twenty-two billion, two hundred thirty-three million, two hundred twenty-two thousand, eleven".