222222020201000 has 32 divisors (see below), whose sum is σ = 519999527272680. Its totient is φ = 88888808080000.

The previous prime is 222222020200979. The next prime is 222222020201047. The reversal of 222222020201000 is 102020222222.

It can be written as a sum of positive squares in 4 ways, for example, as 11920571053924 + 210301449147076 = 3452618^2 + 14501774^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 222222020201000.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111111009101 + ... + 111111011100.

Almost surely, 2^{222222020201000} is an apocalyptic number.

222222020201000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222222020201000 is an abundant number, since it is smaller than the sum of its proper divisors (297777507071680).

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

222222020201000 is a wasteful number, since it uses less digits than its factorization.

222222020201000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222222020222 (or 222222020208 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 222222020201000 its reverse (102020222222), we get a palindrome (222324040423222).

The spelling of 222222020201000 in words is "two hundred twenty-two trillion, two hundred twenty-two billion, twenty million, two hundred one thousand".