222002002221210 has 48 divisors (see below), whose sum is σ = 611158453177896. Its totient is φ = 55718149576704.

The previous prime is 222002002221149. The next prime is 222002002221313. The reversal of 222002002221210 is 12122200200222.

222002002221210 is a `hidden beast` number, since 2 + 220 + 0 + 200 + 2 + 221 + 21 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 221405204255481 + 596797965729 = 14879691^2 + 772527^2 .

It is a super-2 number, since 2×222002002221210² (a number of 29 digits) contains 22 as substring.

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 23 ways as a sum of consecutive naturals, for example, 72549672399 + ... + 72549675458.

Almost surely, 2^{222002002221210} is an apocalyptic number.

222002002221210 is an abundant number, since it is smaller than the sum of its proper divisors (389156450956686).

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

222002002221210 is a wasteful number, since it uses less digits than its factorization.

222002002221210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145099347887 (or 145099347884 counting only the distinct ones).

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

Adding to 222002002221210 its reverse (12122200200222), we get a palindrome (234124202421432).

The spelling of 222002002221210 in words is "two hundred twenty-two trillion, two billion, two million, two hundred twenty-one thousand, two hundred ten".