22022002201000 has 64 divisors (see below), whose sum is σ = 51717520043280. Its totient is φ = 8777000044800.

The previous prime is 22022002200943. The next prime is 22022002201007. The reversal of 22022002201000 is 10220022022.

It can be written as a sum of positive squares in 8 ways, for example, as 1826536644 + 22020175664356 = 42738^2 + 4692566^2 .

It is not an unprimeable number, because it can be changed into a prime (22022002201007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39473907 + ... + 40027906.

Almost surely, 2^{22022002201000} is an apocalyptic number.

22022002201000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22022002201000 is an abundant number, since it is smaller than the sum of its proper divisors (29695517842280).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22022002201000 is a wasteful number, since it uses less digits than its factorization.

22022002201000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79502111 (or 79502097 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 22022002201000 its reverse (10220022022), we get a palindrome (22032222223022).

The spelling of 22022002201000 in words is "twenty-two trillion, twenty-two billion, two million, two hundred one thousand".