91410228 has 192 divisors, whose sum is σ = 298045440. Its totient is φ = 23587200.

The previous prime is 91410223. The next prime is 91410229. The reversal of 91410228 is 82201419.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91410223) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 697723 + ... + 697853.

It is an arithmetic number, because the mean of its divisors is an integer number (1552320).

Almost surely, 2^91410228 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 91410228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149022720).

91410228 is an abundant number, since it is smaller than the sum of its proper divisors (206635212).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

91410228 is a wasteful number, since it uses less digits than its factorization.

91410228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235 (or 227 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 91410228 is about 9560.8696257192. The cubic root of 91410228 is about 450.4690220930.

The spelling of 91410228 in words is "ninety-one million, four hundred ten thousand, two hundred twenty-eight".