30222001321220 has 24 divisors (see below), whose sum is σ = 63607552911000. Its totient is φ = 12061876692992.

The previous prime is 30222001321201. The next prime is 30222001321273. The reversal of 30222001321220 is 2212310022203.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3936200448196 + 26285800873024 = 1983986^2 + 5126968^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 30222001321192 and 30222001321201.

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, 1682730515 + ... + 1682748474.

It is an arithmetic number, because the mean of its divisors is an integer number (2650314704625).

Almost surely, 2^{30222001321220} is an apocalyptic number.

It is an amenable number.

30222001321220 is an abundant number, since it is smaller than the sum of its proper divisors (33385551589780).

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

30222001321220 is a wasteful number, since it uses less digits than its factorization.

30222001321220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3365479447 (or 3365479445 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 30222001321220 its reverse (2212310022203), we get a palindrome (32434311343423).

The spelling of 30222001321220 in words is "thirty trillion, two hundred twenty-two billion, one million, three hundred twenty-one thousand, two hundred twenty".