22142233305 has 20 divisors (see below), whose sum is σ = 39692004132. Its totient is φ = 11809190880.

The previous prime is 22142233277. The next prime is 22142233307. The reversal of 22142233305 is 50333224122.

It can be written as a sum of positive squares in 2 ways, for example, as 16805492496 + 5336740809 = 129636^2 + 73053^2 .

It is not a de Polignac number, because 22142233305 - 2⁷ = 22142233177 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (22142233307) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 27335686 + ... + 27336495.

Almost surely, 2^22142233305 is an apocalyptic number.

It is an amenable number.

22142233305 is a deficient number, since it is larger than the sum of its proper divisors (17549770827).

22142233305 is an equidigital number, since it uses as much as digits as its factorization.

22142233305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54672198 (or 54672189 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

Adding to 22142233305 its reverse (50333224122), we get a palindrome (72475457427).

The spelling of 22142233305 in words is "twenty-two billion, one hundred forty-two million, two hundred thirty-three thousand, three hundred five".