30203022222 has 48 divisors (see below), whose sum is σ = 70124155920. Its totient is φ = 9361287936.

The previous prime is 30203022221. The next prime is 30203022233. The reversal of 30203022222 is 22222030203.

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

It is a junction number, because it is equal to n+sod(n) for n = 30203022195 and 30203022204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30203022221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 569197 + ... + 619992.

It is an arithmetic number, because the mean of its divisors is an integer number (1460919915).

Almost surely, 2^30203022222 is an apocalyptic number.

30203022222 is an abundant number, since it is smaller than the sum of its proper divisors (39921133698).

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

30203022222 is a wasteful number, since it uses less digits than its factorization.

30203022222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1189297 (or 1189294 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

Adding to 30203022222 its reverse (22222030203), we get a palindrome (52425052425).

The spelling of 30203022222 in words is "thirty billion, two hundred three million, twenty-two thousand, two hundred twenty-two".