91222094 has 16 divisors (see below), whose sum is σ = 146644128. Its totient is φ = 42448032.

The previous prime is 91222093. The next prime is 91222099. The reversal of 91222094 is 49022219.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91222093) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25097 + ... + 28500.

It is an arithmetic number, because the mean of its divisors is an integer number (9165258).

Almost surely, 2^91222094 is an apocalyptic number.

91222094 is a deficient number, since it is larger than the sum of its proper divisors (55422034).

91222094 is a wasteful number, since it uses less digits than its factorization.

91222094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53659.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 91222094 is about 9551.0258087810. The cubic root of 91222094 is about 450.1597687831.

The spelling of 91222094 in words is "ninety-one million, two hundred twenty-two thousand, ninety-four".