930542221 has 8 divisors (see below), whose sum is σ = 1097782784. Its totient is φ = 771878160.

The previous prime is 930542219. The next prime is 930542269. The reversal of 930542221 is 122245039.

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 930542221 - 2¹ = 930542219 is a prime.

It is a super-2 number, since 2×930542221² = 1731817650127225682, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 930542221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (930542201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2143890 + ... + 2144323.

It is an arithmetic number, because the mean of its divisors is an integer number (137222848).

Almost surely, 2^930542221 is an apocalyptic number.

It is an amenable number.

930542221 is a deficient number, since it is larger than the sum of its proper divisors (167240563).

930542221 is a wasteful number, since it uses less digits than its factorization.

930542221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4288251.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 930542221 is about 30504.7901320432. The cubic root of 930542221 is about 976.2896704271.

The spelling of 930542221 in words is "nine hundred thirty million, five hundred forty-two thousand, two hundred twenty-one".