30220221401 has 4 divisors (see below), whose sum is σ = 30220588452. Its totient is φ = 30219854352.

The previous prime is 30220221379. The next prime is 30220221407. The reversal of 30220221401 is 10412202203.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 5384037376 + 24836184025 = 73376^2 + 157595^2 .

It is a cyclic number.

It is not a de Polignac number, because 30220221401 - 2¹⁰ = 30220220377 is a prime.

It is a super-3 number, since 3×30220221401³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30220221401.

It is not an unprimeable number, because it can be changed into a prime (30220221407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3515 + ... + 245871.

It is an arithmetic number, because the mean of its divisors is an integer number (7555147113).

Almost surely, 2^30220221401 is an apocalyptic number.

It is an amenable number.

30220221401 is a deficient number, since it is larger than the sum of its proper divisors (367051).

30220221401 is a wasteful number, since it uses less digits than its factorization.

30220221401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367050.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 30220221401 its reverse (10412202203), we get a palindrome (40632423604).

The spelling of 30220221401 in words is "thirty billion, two hundred twenty million, two hundred twenty-one thousand, four hundred one".