930952221 has 4 divisors (see below), whose sum is σ = 1241269632. Its totient is φ = 620634812.

The previous prime is 930952219. The next prime is 930952247. The reversal of 930952221 is 122259039.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 930952221 - 2¹ = 930952219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (930952201) 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, 155158701 + ... + 155158706.

It is an arithmetic number, because the mean of its divisors is an integer number (310317408).

Almost surely, 2^930952221 is an apocalyptic number.

It is an amenable number.

930952221 is a deficient number, since it is larger than the sum of its proper divisors (310317411).

930952221 is a wasteful number, since it uses less digits than its factorization.

930952221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310317410.

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 930952221 is about 30511.5096480000. The cubic root of 930952221 is about 976.4330348664.

The spelling of 930952221 in words is "nine hundred thirty million, nine hundred fifty-two thousand, two hundred twenty-one".