22142042435 has 4 divisors (see below), whose sum is σ = 26570450928. Its totient is φ = 17713633944.

The previous prime is 22142042383. The next prime is 22142042437. The reversal of 22142042435 is 53424024122.

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 22142042435 - 2⁶ = 22142042371 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22142042398 and 22142042407.

It is not an unprimeable number, because it can be changed into a prime (22142042437) 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, 2214204239 + ... + 2214204248.

It is an arithmetic number, because the mean of its divisors is an integer number (6642612732).

Almost surely, 2^22142042435 is an apocalyptic number.

22142042435 is a deficient number, since it is larger than the sum of its proper divisors (4428408493).

22142042435 is an equidigital number, since it uses as much as digits as its factorization.

22142042435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4428408492.

The product of its (nonzero) digits is 15360, while the sum is 29.

Adding to 22142042435 its reverse (53424024122), we get a palindrome (75566066557).

The spelling of 22142042435 in words is "twenty-two billion, one hundred forty-two million, forty-two thousand, four hundred thirty-five".