22272440611 has 4 divisors (see below), whose sum is σ = 22273048000. Its totient is φ = 22271833224.

The previous prime is 22272440599. The next prime is 22272440621. The reversal of 22272440611 is 11604427222.

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

It is a cyclic number.

It is not a de Polignac number, because 22272440611 - 2¹⁷ = 22272309539 is a prime.

It is a super-2 number, since 2×22272440611² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22272440621) 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, 244896 + ... + 323293.

It is an arithmetic number, because the mean of its divisors is an integer number (5568262000).

Almost surely, 2^22272440611 is an apocalyptic number.

22272440611 is a deficient number, since it is larger than the sum of its proper divisors (607389).

22272440611 is an equidigital number, since it uses as much as digits as its factorization.

22272440611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 607388.

The product of its (nonzero) digits is 10752, while the sum is 31.

Adding to 22272440611 its reverse (11604427222), we get a palindrome (33876867833).

The spelling of 22272440611 in words is "twenty-two billion, two hundred seventy-two million, four hundred forty thousand, six hundred eleven".