30222342440 has 32 divisors (see below), whose sum is σ = 68005440000. Its totient is φ = 12088017984.

The previous prime is 30222342427. The next prime is 30222342497. The reversal of 30222342440 is 4424322203.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 797441 + ... + 834479.

It is an arithmetic number, because the mean of its divisors is an integer number (2125170000).

Almost surely, 2^30222342440 is an apocalyptic number.

It is an amenable number.

30222342440 is an abundant number, since it is smaller than the sum of its proper divisors (37783097560).

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

30222342440 is a wasteful number, since it uses less digits than its factorization.

30222342440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57449 (or 57445 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 26.

Adding to 30222342440 its reverse (4424322203), we get a palindrome (34646664643).

The spelling of 30222342440 in words is "thirty billion, two hundred twenty-two million, three hundred forty-two thousand, four hundred forty".