30023221 has 8 divisors (see below), whose sum is σ = 31418624. Its totient is φ = 28654560.

The previous prime is 30023219. The next prime is 30023251. The reversal of 30023221 is 12232003.

It is a happy number.

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 30023221 - 2¹ = 30023219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30023251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4371 + ... + 8896.

It is an arithmetic number, because the mean of its divisors is an integer number (3927328).

Almost surely, 2^30023221 is an apocalyptic number.

30023221 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

30023221 is a deficient number, since it is larger than the sum of its proper divisors (1395403).

30023221 is a wasteful number, since it uses less digits than its factorization.

30023221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13371.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 30023221 is about 5479.3449426003. The cubic root of 30023221 is about 310.8033999706.

Adding to 30023221 its reverse (12232003), we get a palindrome (42255224).

The spelling of 30023221 in words is "thirty million, twenty-three thousand, two hundred twenty-one".