22212011202210 has 48 divisors (see below), whose sum is σ = 57767594709240. Its totient is φ = 5921524465920.

The previous prime is 22212011202209. The next prime is 22212011202217. The reversal of 22212011202210 is 1220211021222.

It is a happy number.

22212011202210 is a `hidden beast` number, since 2 + 221 + 20 + 11 + 202 + 210 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 10036357056441 + 12175654145769 = 3168021^2 + 3489363^2 .

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 (22212011202217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34649821 + ... + 35285040.

Almost surely, 2^{22212011202210} is an apocalyptic number.

22212011202210 is an abundant number, since it is smaller than the sum of its proper divisors (35555583507030).

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

22212011202210 is a wasteful number, since it uses less digits than its factorization.

22212011202210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69938403 (or 69938400 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 22212011202210 its reverse (1220211021222), we get a palindrome (23432222223432).

The spelling of 22212011202210 in words is "twenty-two trillion, two hundred twelve billion, eleven million, two hundred two thousand, two hundred ten".