22063621306 has 4 divisors (see below), whose sum is σ = 33095431962. Its totient is φ = 11031810652.

The previous prime is 22063621301. The next prime is 22063621357. The reversal of 22063621306 is 60312636022.

It is a happy number.

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., 12652875225 + 9410746081 = 112485^2 + 97009^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (22063621301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5515905325 + ... + 5515905328.

Almost surely, 2^22063621306 is an apocalyptic number.

22063621306 is a deficient number, since it is larger than the sum of its proper divisors (11031810656).

22063621306 is a wasteful number, since it uses less digits than its factorization.

22063621306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11031810655.

The product of its (nonzero) digits is 15552, while the sum is 31.

The spelling of 22063621306 in words is "twenty-two billion, sixty-three million, six hundred twenty-one thousand, three hundred six".