30643020222 has 64 divisors (see below), whose sum is σ = 65571897600. Its totient is φ = 9518826240.

The previous prime is 30643020197. The next prime is 30643020223. The reversal of 30643020222 is 22202034603.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 30643020192 and 30643020201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30643020223) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1991097 + ... + 2006427.

It is an arithmetic number, because the mean of its divisors is an integer number (1024560900).

Almost surely, 2^30643020222 is an apocalyptic number.

30643020222 is an abundant number, since it is smaller than the sum of its proper divisors (34928877378).

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

30643020222 is a wasteful number, since it uses less digits than its factorization.

30643020222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15641.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 30643020222 its reverse (22202034603), we get a palindrome (52845054825).

The spelling of 30643020222 in words is "thirty billion, six hundred forty-three million, twenty thousand, two hundred twenty-two".