30221000399 has 4 divisors (see below), whose sum is σ = 30265640664. Its totient is φ = 30176360136.

The previous prime is 30221000387. The next prime is 30221000431. The reversal of 30221000399 is 99300012203.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 30221000399 - 2⁸ = 30221000143 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 (30221000339) 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, 22319117 + ... + 22320470.

It is an arithmetic number, because the mean of its divisors is an integer number (7566410166).

Almost surely, 2^30221000399 is an apocalyptic number.

30221000399 is a deficient number, since it is larger than the sum of its proper divisors (44640265).

30221000399 is an equidigital number, since it uses as much as digits as its factorization.

30221000399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44640264.

The product of its (nonzero) digits is 2916, while the sum is 29.

The spelling of 30221000399 in words is "thirty billion, two hundred twenty-one million, three hundred ninety-nine", and thus it is an aban number.