22505045306 has 4 divisors (see below), whose sum is σ = 33757567962. Its totient is φ = 11252522652.

The previous prime is 22505045257. The next prime is 22505045323. The reversal of 22505045306 is 60354050522.

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

It can be written as a sum of positive squares in only one way, i.e., 18524571025 + 3980474281 = 136105^2 + 63091^2 .

It is a super-2 number, since 2×22505045306² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5626261325 + ... + 5626261328.

Almost surely, 2^22505045306 is an apocalyptic number.

22505045306 is a deficient number, since it is larger than the sum of its proper divisors (11252522656).

22505045306 is a wasteful number, since it uses less digits than its factorization.

22505045306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11252522655.

The product of its (nonzero) digits is 36000, while the sum is 32.

Adding to 22505045306 its reverse (60354050522), we get a palindrome (82859095828).

The spelling of 22505045306 in words is "twenty-two billion, five hundred five million, forty-five thousand, three hundred six".