30722245780 has 12 divisors (see below), whose sum is σ = 64516716180. Its totient is φ = 12288898304.

The previous prime is 30722245739. The next prime is 30722245817. The reversal of 30722245780 is 8754222703.

It can be written as a sum of positive squares in 2 ways, for example, as 21537323536 + 9184922244 = 146756^2 + 95838^2 .

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, 768056125 + ... + 768056164.

It is an arithmetic number, because the mean of its divisors is an integer number (5376393015).

Almost surely, 2^30722245780 is an apocalyptic number.

It is an amenable number.

30722245780 is an abundant number, since it is smaller than the sum of its proper divisors (33794470400).

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

30722245780 is a wasteful number, since it uses less digits than its factorization.

30722245780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1536112298 (or 1536112296 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 40.

The spelling of 30722245780 in words is "thirty billion, seven hundred twenty-two million, two hundred forty-five thousand, seven hundred eighty".