30221375946 has 32 divisors (see below), whose sum is σ = 63901838400. Its totient is φ = 9501909120.

The previous prime is 30221375911. The next prime is 30221375957. The reversal of 30221375946 is 64957312203.

It is a junction number, because it is equal to n+sod(n) for n = 30221375898 and 30221375907.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 552715 + ... + 604926.

It is an arithmetic number, because the mean of its divisors is an integer number (1996932450).

Almost surely, 2^30221375946 is an apocalyptic number.

30221375946 is an abundant number, since it is smaller than the sum of its proper divisors (33680462454).

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

30221375946 is a wasteful number, since it uses less digits than its factorization.

30221375946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1157894.

The product of its (nonzero) digits is 272160, while the sum is 42.

The spelling of 30221375946 in words is "thirty billion, two hundred twenty-one million, three hundred seventy-five thousand, nine hundred forty-six".