22041222011 has 4 divisors (see below), whose sum is σ = 22636930752. Its totient is φ = 21445513272.

The previous prime is 22041221987. The next prime is 22041222029. The reversal of 22041222011 is 11022214022.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22041222011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22041522011) 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, 297854315 + ... + 297854388.

It is an arithmetic number, because the mean of its divisors is an integer number (5659232688).

Almost surely, 2^22041222011 is an apocalyptic number.

22041222011 is a deficient number, since it is larger than the sum of its proper divisors (595708741).

22041222011 is an equidigital number, since it uses as much as digits as its factorization.

22041222011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595708740.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 22041222011 its reverse (11022214022), we get a palindrome (33063436033).

The spelling of 22041222011 in words is "twenty-two billion, forty-one million, two hundred twenty-two thousand, eleven".