22005240210 has 48 divisors (see below), whose sum is σ = 57856495320. Its totient is φ = 5802128640.

The previous prime is 22005240199. The next prime is 22005240217. The reversal of 22005240210 is 1204250022.

22005240210 is a `hidden beast` number, since 2 + 200 + 52 + 402 + 10 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 7002175041 + 15003065169 = 83679^2 + 122487^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (22005240217) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1365601 + ... + 1381620.

Almost surely, 2^22005240210 is an apocalyptic number.

22005240210 is an abundant number, since it is smaller than the sum of its proper divisors (35851255110).

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

22005240210 is a wasteful number, since it uses less digits than its factorization.

22005240210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2747323 (or 2747320 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

Adding to 22005240210 its reverse (1204250022), we get a palindrome (23209490232).

The spelling of 22005240210 in words is "twenty-two billion, five million, two hundred forty thousand, two hundred ten".