92221091 has 4 divisors (see below), whose sum is σ = 92241072. Its totient is φ = 92201112.

The previous prime is 92221067. The next prime is 92221121. The reversal of 92221091 is 19012229.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 92221091 - 2¹⁸ = 91958947 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 92221091.

It is not an unprimeable number, because it can be changed into a prime (92221021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 866 + ... + 13608.

It is an arithmetic number, because the mean of its divisors is an integer number (23060268).

Almost surely, 2^92221091 is an apocalyptic number.

92221091 is a deficient number, since it is larger than the sum of its proper divisors (19981).

92221091 is a wasteful number, since it uses less digits than its factorization.

92221091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19980.

The product of its (nonzero) digits is 648, while the sum is 26.

The square root of 92221091 is about 9603.1812957998. The cubic root of 92221091 is about 451.7970788177.

The spelling of 92221091 in words is "ninety-two million, two hundred twenty-one thousand, ninety-one".