22135705 has 8 divisors (see below), whose sum is σ = 27419904. Its totient is φ = 17137200.

The previous prime is 22135693. The next prime is 22135723. The reversal of 22135705 is 50753122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22135705 - 2⁷ = 22135577 is a prime.

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 22135705.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71251 + ... + 71560.

It is an arithmetic number, because the mean of its divisors is an integer number (3427488).

Almost surely, 2^22135705 is an apocalyptic number.

It is an amenable number.

22135705 is a deficient number, since it is larger than the sum of its proper divisors (5284199).

22135705 is a wasteful number, since it uses less digits than its factorization.

22135705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142847.

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 22135705 is about 4704.8597216070. The cubic root of 22135705 is about 280.7788899872.

Adding to 22135705 its reverse (50753122), we get a palindrome (72888827).

The spelling of 22135705 in words is "twenty-two million, one hundred thirty-five thousand, seven hundred five".