30221234442 has 24 divisors (see below), whose sum is σ = 74833533216. Its totient is φ = 8634638376.

The previous prime is 30221234383. The next prime is 30221234471. The reversal of 30221234442 is 24443212203.

30221234442 is a `hidden beast` number, since 3 + 0 + 2 + 212 + 3 + 4 + 442 = 666.

It is a super-2 number, since 2×30221234442² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 119925408 + ... + 119925659.

It is an arithmetic number, because the mean of its divisors is an integer number (3118063884).

Almost surely, 2^30221234442 is an apocalyptic number.

30221234442 is an abundant number, since it is smaller than the sum of its proper divisors (44612298774).

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

30221234442 is a wasteful number, since it uses less digits than its factorization.

30221234442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239851082 (or 239851079 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 30221234442 its reverse (24443212203), we get a palindrome (54664446645).

The spelling of 30221234442 in words is "thirty billion, two hundred twenty-one million, two hundred thirty-four thousand, four hundred forty-two".