91794226 has 4 divisors (see below), whose sum is σ = 137691342. Its totient is φ = 45897112.

The previous prime is 91794223. The next prime is 91794229. The reversal of 91794226 is 62249719.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (91794223) and next prime (91794229).

It can be written as a sum of positive squares in only one way, i.e., 90269001 + 1525225 = 9501^2 + 1235^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (91794223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22948555 + ... + 22948558.

Almost surely, 2^91794226 is an apocalyptic number.

91794226 is a deficient number, since it is larger than the sum of its proper divisors (45897116).

91794226 is a wasteful number, since it uses less digits than its factorization.

91794226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45897115.

The product of its digits is 54432, while the sum is 40.

The square root of 91794226 is about 9580.9303306099. The cubic root of 91794226 is about 451.0989207845.

The spelling of 91794226 in words is "ninety-one million, seven hundred ninety-four thousand, two hundred twenty-six".