924166221 has 16 divisors (see below), whose sum is σ = 1348246848. Its totient is φ = 558432000.

The previous prime is 924166211. The next prime is 924166241. The reversal of 924166221 is 122661429.

924166221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 924166221 - 2¹⁰ = 924165197 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (924166211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30430 + ... + 52671.

It is an arithmetic number, because the mean of its divisors is an integer number (84265428).

Almost surely, 2^924166221 is an apocalyptic number.

It is an amenable number.

924166221 is a deficient number, since it is larger than the sum of its proper divisors (424080627).

924166221 is a wasteful number, since it uses less digits than its factorization.

924166221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83452.

The product of its digits is 10368, while the sum is 33.

The square root of 924166221 is about 30400.1023189068. The cubic root of 924166221 is about 974.0547388306.

The spelling of 924166221 in words is "nine hundred twenty-four million, one hundred sixty-six thousand, two hundred twenty-one".