91222382 has 8 divisors (see below), whose sum is σ = 144035400. Its totient is φ = 43210584.

The previous prime is 91222361. The next prime is 91222403. The reversal of 91222382 is 28322219.

It is an interprime number because it is at equal distance from previous prime (91222361) and next prime (91222403).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1200257 + ... + 1200332.

It is an arithmetic number, because the mean of its divisors is an integer number (18004425).

Almost surely, 2^91222382 is an apocalyptic number.

91222382 is a deficient number, since it is larger than the sum of its proper divisors (52813018).

91222382 is a wasteful number, since it uses less digits than its factorization.

91222382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2400610.

The product of its digits is 3456, while the sum is 29.

The square root of 91222382 is about 9551.0408856836. The cubic root of 91222382 is about 450.1602425202.

The spelling of 91222382 in words is "ninety-one million, two hundred twenty-two thousand, three hundred eighty-two".