22021200222210 has 160 divisors (see below), whose sum is σ = 67674752716032. Its totient is φ = 5033175096960.

The previous prime is 22021200222199. The next prime is 22021200222289. The reversal of 22021200222210 is 1222200212022.

22021200222210 is a `hidden beast` number, since 2 + 20 + 212 + 0 + 0 + 222 + 210 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 135040284 + ... + 135203256.

Almost surely, 2^{22021200222210} is an apocalyptic number.

22021200222210 is an abundant number, since it is smaller than the sum of its proper divisors (45653552493822).

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

22021200222210 is a wasteful number, since it uses less digits than its factorization.

22021200222210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186830 (or 186821 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 22021200222210 its reverse (1222200212022), we get a palindrome (23243400434232).

The spelling of 22021200222210 in words is "twenty-two trillion, twenty-one billion, two hundred million, two hundred twenty-two thousand, two hundred ten".