92164221 has 6 divisors (see below), whose sum is σ = 133126110. Its totient is φ = 61442808.

The previous prime is 92164211. The next prime is 92164249. The reversal of 92164221 is 12246129.

It can be written as a sum of positive squares in only one way, i.e., 49196196 + 42968025 = 7014^2 + 6555^2 .

It is not a de Polignac number, because 92164221 - 2¹⁸ = 91902077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (92164201) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5120226 + ... + 5120243.

It is an arithmetic number, because the mean of its divisors is an integer number (22187685).

Almost surely, 2^92164221 is an apocalyptic number.

It is an amenable number.

92164221 is a deficient number, since it is larger than the sum of its proper divisors (40961889).

92164221 is a wasteful number, since it uses less digits than its factorization.

92164221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10240475 (or 10240472 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 92164221 is about 9600.2198412328. The cubic root of 92164221 is about 451.7041897873.

The spelling of 92164221 in words is "ninety-two million, one hundred sixty-four thousand, two hundred twenty-one".