222021340530 has 64 divisors (see below), whose sum is σ = 588295830528. Its totient is φ = 53174874560.

The previous prime is 222021340529. The next prime is 222021340589. The reversal of 222021340530 is 35043120222.

It is a self number, because there is not a number n which added to its sum of digits gives 222021340530.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4025574 + ... + 4080353.

It is an arithmetic number, because the mean of its divisors is an integer number (9192122352).

Almost surely, 2^222021340530 is an apocalyptic number.

222021340530 is an abundant number, since it is smaller than the sum of its proper divisors (366274489998).

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

222021340530 is a wasteful number, since it uses less digits than its factorization.

222021340530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8106031.

The product of its (nonzero) digits is 2880, while the sum is 24.

Adding to 222021340530 its reverse (35043120222), we get a palindrome (257064460752).

The spelling of 222021340530 in words is "two hundred twenty-two billion, twenty-one million, three hundred forty thousand, five hundred thirty".