22233221011 has 4 divisors (see below), whose sum is σ = 22256119224. Its totient is φ = 22210322800.

The previous prime is 22233220991. The next prime is 22233221033. The reversal of 22233221011 is 11012233222.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11012233222 = 2 ⋅5506116611.

It is a cyclic number.

It is not a de Polignac number, because 22233221011 - 2²⁹ = 21696350099 is a prime.

It is a super-2 number, since 2×22233221011² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22233221011.

It is not an unprimeable number, because it can be changed into a prime (22233221411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11447650 + ... + 11449591.

It is an arithmetic number, because the mean of its divisors is an integer number (5564029806).

Almost surely, 2^22233221011 is an apocalyptic number.

22233221011 is a deficient number, since it is larger than the sum of its proper divisors (22898213).

22233221011 is an equidigital number, since it uses as much as digits as its factorization.

22233221011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22898212.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 22233221011 its reverse (11012233222), we get a palindrome (33245454233).

The spelling of 22233221011 in words is "twenty-two billion, two hundred thirty-three million, two hundred twenty-one thousand, eleven".