22052005 has 8 divisors (see below), whose sum is σ = 27316224. Its totient is φ = 17072400.

The previous prime is 22052003. The next prime is 22052011. The reversal of 22052005 is 50025022.

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

It is not a de Polignac number, because 22052005 - 2¹ = 22052003 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 22052005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22052003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70981 + ... + 71290.

It is an arithmetic number, because the mean of its divisors is an integer number (3414528).

Almost surely, 2^22052005 is an apocalyptic number.

It is an amenable number.

22052005 is a deficient number, since it is larger than the sum of its proper divisors (5264219).

22052005 is a wasteful number, since it uses less digits than its factorization.

22052005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142307.

The product of its (nonzero) digits is 200, while the sum is 16.

The square root of 22052005 is about 4695.9562391487. The cubic root of 22052005 is about 280.4245472855.

Adding to 22052005 its reverse (50025022), we get a palindrome (72077027).

It can be divided in two parts, 220 and 52005, that added together give a palindrome (52225).

The spelling of 22052005 in words is "twenty-two million, fifty-two thousand, five".