320221130000022 has 24 divisors (see below), whose sum is σ = 696790184172264. Its totient is φ = 106282263460704.

The previous prime is 320221130000011. The next prime is 320221130000029. The reversal of 320221130000022 is 220000031122023.

320221130000022 is a `hidden beast` number, since 320 + 2 + 21 + 1 + 300 + 0 + 0 + 0 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320221130000029) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38176096188 + ... + 38176104575.

It is an arithmetic number, because the mean of its divisors is an integer number (29032924340511).

Almost surely, 2^{320221130000022} is an apocalyptic number.

320221130000022 is an abundant number, since it is smaller than the sum of its proper divisors (376569054172242).

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

320221130000022 is a wasteful number, since it uses less digits than its factorization.

320221130000022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76352201004 (or 76352201001 counting only the distinct ones).

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

Adding to 320221130000022 its reverse (220000031122023), we get a palindrome (540221161122045).

The spelling of 320221130000022 in words is "three hundred twenty trillion, two hundred twenty-one billion, one hundred thirty million, twenty-two", and thus it is an aban number.