91063222 has 16 divisors (see below), whose sum is σ = 139618080. Its totient is φ = 44529472.

The previous prime is 91063211. The next prime is 91063223. The reversal of 91063222 is 22236019.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91063223) 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, 36858 + ... + 39250.

It is an arithmetic number, because the mean of its divisors is an integer number (8726130).

Almost surely, 2^91063222 is an apocalyptic number.

91063222 is a deficient number, since it is larger than the sum of its proper divisors (48554858).

91063222 is a wasteful number, since it uses less digits than its factorization.

91063222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2807.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 91063222 is about 9542.7051720149. The cubic root of 91063222 is about 449.8982848296.

The spelling of 91063222 in words is "ninety-one million, sixty-three thousand, two hundred twenty-two".