222021320130 has 24 divisors (see below), whose sum is σ = 577255432572. Its totient is φ = 59205685344.

The previous prime is 222021320119. The next prime is 222021320167. The reversal of 222021320130 is 31023120222.

222021320130 is a `hidden beast` number, since 2 + 220 + 213 + 201 + 30 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 216585059769 + 5436260361 = 465387^2 + 73731^2 .

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 11 ways as a sum of consecutive naturals, for example, 1233451689 + ... + 1233451868.

Almost surely, 2^222021320130 is an apocalyptic number.

222021320130 is an abundant number, since it is smaller than the sum of its proper divisors (355234112442).

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

222021320130 is a wasteful number, since it uses less digits than its factorization.

222021320130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2466903570 (or 2466903567 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 222021320130 its reverse (31023120222), we get a palindrome (253044440352).

The spelling of 222021320130 in words is "two hundred twenty-two billion, twenty-one million, three hundred twenty thousand, one hundred thirty".