30221411 has 4 divisors (see below), whose sum is σ = 32968824. Its totient is φ = 27474000.

The previous prime is 30221369. The next prime is 30221431. The reversal of 30221411 is 11412203.

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 30221411 - 2¹⁰ = 30220387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30221431) 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, 1373690 + ... + 1373711.

It is an arithmetic number, because the mean of its divisors is an integer number (8242206).

Almost surely, 2^30221411 is an apocalyptic number.

30221411 is a deficient number, since it is larger than the sum of its proper divisors (2747413).

30221411 is a wasteful number, since it uses less digits than its factorization.

30221411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2747412.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 30221411 is about 5497.4003856368. The cubic root of 30221411 is about 311.4857948824.

Adding to 30221411 its sum of digits (14), we get a triangular number (30221425 = T₇₇₇₄).

Adding to 30221411 its reverse (11412203), we get a palindrome (41633614).

The spelling of 30221411 in words is "thirty million, two hundred twenty-one thousand, four hundred eleven".