93412221 has 16 divisors (see below), whose sum is σ = 142489728. Its totient is φ = 53323200.

The previous prime is 93412201. The next prime is 93412243. The reversal of 93412221 is 12221439.

It is not a de Polignac number, because 93412221 - 2⁶ = 93412157 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 93412191 and 93412200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (93412201) 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, 27391 + ... + 30611.

It is an arithmetic number, because the mean of its divisors is an integer number (8905608).

Almost surely, 2^93412221 is an apocalyptic number.

It is an amenable number.

93412221 is a deficient number, since it is larger than the sum of its proper divisors (49077507).

93412221 is a wasteful number, since it uses less digits than its factorization.

93412221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4612.

The product of its digits is 864, while the sum is 24.

The square root of 93412221 is about 9664.9997930678. Note that the first 3 decimals coincide. The cubic root of 93412221 is about 453.7339048241.

The spelling of 93412221 in words is "ninety-three million, four hundred twelve thousand, two hundred twenty-one".