30330223444 has 12 divisors (see below), whose sum is σ = 53092030068. Its totient is φ = 15161072000.

The previous prime is 30330223421. The next prime is 30330223459. The reversal of 30330223444 is 44432203303.

It can be written as a sum of positive squares in 2 ways, for example, as 6866111044 + 23464112400 = 82862^2 + 153180^2 .

It is a super-2 number, since 2×30330223444² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 993007 + ... + 1023094.

It is an arithmetic number, because the mean of its divisors is an integer number (4424335839).

Almost surely, 2^30330223444 is an apocalyptic number.

It is an amenable number.

30330223444 is a deficient number, since it is larger than the sum of its proper divisors (22761806624).

30330223444 is a wasteful number, since it uses less digits than its factorization.

30330223444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2019866 (or 2019864 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 28.

Adding to 30330223444 its reverse (44432203303), we get a palindrome (74762426747).

The spelling of 30330223444 in words is "thirty billion, three hundred thirty million, two hundred twenty-three thousand, four hundred forty-four".