91228000282 has 16 divisors (see below), whose sum is σ = 138759682752. Its totient is φ = 44975161440.

The previous prime is 91228000271. The next prime is 91228000313. The reversal of 91228000282 is 28200082219.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 382053 + ... + 573079.

It is an arithmetic number, because the mean of its divisors is an integer number (8672480172).

Almost surely, 2^91228000282 is an apocalyptic number.

91228000282 is the 191027-th heptagonal number.

91228000282 is a deficient number, since it is larger than the sum of its proper divisors (47531682470).

91228000282 is a wasteful number, since it uses less digits than its factorization.

91228000282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194373.

The product of its (nonzero) digits is 9216, while the sum is 34.

The spelling of 91228000282 in words is "ninety-one billion, two hundred twenty-eight million, two hundred eighty-two", and thus it is an aban number.