92499221 has 4 divisors (see below), whose sum is σ = 92815212. Its totient is φ = 92183232.

The previous prime is 92499203. The next prime is 92499229. The reversal of 92499221 is 12299429.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12299429 = 37 ⋅332417.

It can be written as a sum of positive squares in 2 ways, for example, as 86304100 + 6195121 = 9290^2 + 2489^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-92499221 is a prime.

It is a super-2 number, since 2×92499221² = 17112211771213682, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (92499229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 157556 + ... + 158141.

It is an arithmetic number, because the mean of its divisors is an integer number (23203803).

Almost surely, 2^92499221 is an apocalyptic number.

It is an amenable number.

92499221 is a deficient number, since it is larger than the sum of its proper divisors (315991).

92499221 is a wasteful number, since it uses less digits than its factorization.

92499221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315990.

The product of its digits is 23328, while the sum is 38.

The square root of 92499221 is about 9617.6515324688. The cubic root of 92499221 is about 452.2508152566.

The spelling of 92499221 in words is "ninety-two million, four hundred ninety-nine thousand, two hundred twenty-one".