30522444221 has 8 divisors (see below), whose sum is σ = 30695213304. Its totient is φ = 30350156800.

The previous prime is 30522444191. The next prime is 30522444247. The reversal of 30522444221 is 12244422503.

It can be written as a sum of positive squares in 4 ways, for example, as 9464371225 + 21058072996 = 97285^2 + 145114^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30522444221 - 2¹⁰ = 30522443197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30522404221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7061 + ... + 247173.

It is an arithmetic number, because the mean of its divisors is an integer number (3836901663).

Almost surely, 2^30522444221 is an apocalyptic number.

It is an amenable number.

30522444221 is a deficient number, since it is larger than the sum of its proper divisors (172769083).

30522444221 is a wasteful number, since it uses less digits than its factorization.

30522444221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240831.

The product of its (nonzero) digits is 15360, while the sum is 29.

Adding to 30522444221 its reverse (12244422503), we get a palindrome (42766866724).

The spelling of 30522444221 in words is "thirty billion, five hundred twenty-two million, four hundred forty-four thousand, two hundred twenty-one".