30220022072 has 32 divisors (see below), whose sum is σ = 57171834720. Its totient is φ = 14974740480.

The previous prime is 30220022047. The next prime is 30220022093. The reversal of 30220022072 is 27022002203.

It is a congruent 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, 416672 + ... + 483792.

It is an arithmetic number, because the mean of its divisors is an integer number (1786619835).

Almost surely, 2^30220022072 is an apocalyptic number.

It is an amenable number.

30220022072 is a deficient number, since it is larger than the sum of its proper divisors (26951812648).

30220022072 is a wasteful number, since it uses less digits than its factorization.

30220022072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67631 (or 67627 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 20.

Adding to 30220022072 its reverse (27022002203), we get a palindrome (57242024275).

The spelling of 30220022072 in words is "thirty billion, two hundred twenty million, twenty-two thousand, seventy-two".