30022212222 has 32 divisors (see below), whose sum is σ = 67306448160. Its totient is φ = 9918840960.

The previous prime is 30022212221. The next prime is 30022212251. The reversal of 30022212222 is 22221222003.

30022212222 is a `hidden beast` number, since 300 + 222 + 122 + 22 = 666.

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 = 30022212195 and 30022212204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30022212221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2453929 + ... + 2466132.

It is an arithmetic number, because the mean of its divisors is an integer number (2103326505).

Almost surely, 2^30022212222 is an apocalyptic number.

30022212222 is an abundant number, since it is smaller than the sum of its proper divisors (37284235938).

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

30022212222 is a wasteful number, since it uses less digits than its factorization.

30022212222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4920185 (or 4920179 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 30022212222 its reverse (22221222003), we get a palindrome (52243434225).

The spelling of 30022212222 in words is "thirty billion, twenty-two million, two hundred twelve thousand, two hundred twenty-two".